diff --git a/core/src/main/java/lucee/runtime/functions/dateTime/DateAdd.java b/core/src/main/java/lucee/runtime/functions/dateTime/DateAdd.java
index 56fc62c7d2..1793b55dc9 100644
--- a/core/src/main/java/lucee/runtime/functions/dateTime/DateAdd.java
+++ b/core/src/main/java/lucee/runtime/functions/dateTime/DateAdd.java
@@ -50,7 +50,7 @@ public Object invoke(PageContext pc, Object[] args) throws PageException {
 
 	public static DateTime _call(PageContext pc, TimeZone tz, String datepart, Number number, DateTime date) throws ExpressionException {
 		datepart = datepart.toLowerCase();
-		long l = (long) number;
+		long l = Caster.toLongValue(number);
 		int n = (int) l;
 		char first = datepart.length() == 1 ? datepart.charAt(0) : (char) 0;
 
diff --git a/core/src/main/java/lucee/runtime/functions/decision/IsArray.java b/core/src/main/java/lucee/runtime/functions/decision/IsArray.java
index 83dd59e8e6..3f9bbd24d4 100644
--- a/core/src/main/java/lucee/runtime/functions/decision/IsArray.java
+++ b/core/src/main/java/lucee/runtime/functions/decision/IsArray.java
@@ -39,7 +39,7 @@ public static boolean call(PageContext pc, Object object, Number dimension) {
 		if (dim == -999) return Decision.isArray(object); // -999 == default value for named argument
 
 		if ((object instanceof Array)) {
-			return ((Array) object).getDimension() == (int) dimension;
+			return ((Array) object).getDimension() == dim;
 		}
 		else if (dim == 1) {
 			return Decision.isArray(object);
diff --git a/core/src/main/java/lucee/runtime/functions/displayFormatting/FormatBaseN.java b/core/src/main/java/lucee/runtime/functions/displayFormatting/FormatBaseN.java
index 50990f5b8f..f9fc5da2bd 100644
--- a/core/src/main/java/lucee/runtime/functions/displayFormatting/FormatBaseN.java
+++ b/core/src/main/java/lucee/runtime/functions/displayFormatting/FormatBaseN.java
@@ -46,6 +46,6 @@ public static String call(PageContext pc, Number number, Number radix) throws Ex
 			throw new FunctionException(pc, "formatBaseN", 1, "number",
 					"number to formatted must be on or between Integer.MIN_VALUE and Integer.MAX_VALUE (" + Integer.MIN_VALUE + ", " + Integer.MAX_VALUE + ")");
 		}
-		return rdx == 2 || rdx == 16 ? Long.toString(converted & uint32_mask, (int) radix) : Long.toString(converted, (int) radix);
+		return rdx == 2 || rdx == 16 ? Long.toString(converted & uint32_mask, rdx) : Long.toString(converted, rdx);
 	}
 }
\ No newline at end of file
diff --git a/core/src/main/java/lucee/runtime/functions/list/ListFirst.java b/core/src/main/java/lucee/runtime/functions/list/ListFirst.java
index 335af17022..eeced426f4 100755
--- a/core/src/main/java/lucee/runtime/functions/list/ListFirst.java
+++ b/core/src/main/java/lucee/runtime/functions/list/ListFirst.java
@@ -47,7 +47,7 @@ public static String call(PageContext pc, String list, String delimiter, boolean
 	public static String call(PageContext pc, String list, String delimiter, boolean includeEmptyFields, Number count) throws FunctionException {
 		int cnt = Caster.toIntValue(count);
 		if (cnt < 1) throw new FunctionException(pc, "ListFirst", 4, "count", "Argument count must be a positive value greater than 0");
-		return ListUtil.first(list, delimiter, !includeEmptyFields, (int) count);
+		return ListUtil.first(list, delimiter, !includeEmptyFields, cnt);
 	}
 
 	@Override
diff --git a/core/src/main/java/lucee/runtime/functions/list/ListLast.java b/core/src/main/java/lucee/runtime/functions/list/ListLast.java
index 0d30e7d116..77cc868fd1 100755
--- a/core/src/main/java/lucee/runtime/functions/list/ListLast.java
+++ b/core/src/main/java/lucee/runtime/functions/list/ListLast.java
@@ -47,7 +47,7 @@ public static String call(PageContext pc, String list, String delimiter, boolean
 	public static String call(PageContext pc, String list, String delimiter, boolean includeEmptyFields, Number count) {
 		int cnt = Caster.toIntValue(count);
 		if (cnt == 1d) return ListUtil.last(list, delimiter, !includeEmptyFields);
-		return ListUtil.last(list, delimiter, !includeEmptyFields, (int) count);
+		return ListUtil.last(list, delimiter, !includeEmptyFields, cnt);
 	}
 
 	@Override
diff --git a/core/src/main/java/lucee/runtime/functions/list/ListRest.java b/core/src/main/java/lucee/runtime/functions/list/ListRest.java
index 54301ca509..71ce1a14be 100755
--- a/core/src/main/java/lucee/runtime/functions/list/ListRest.java
+++ b/core/src/main/java/lucee/runtime/functions/list/ListRest.java
@@ -44,11 +44,11 @@ public static String call(PageContext pc, String list, String delimiter, boolean
 		return ListUtil.rest(list, delimiter, !includeEmptyFields, 1);
 	}
 
-	public static String call(PageContext pc, String list, String delimiter, boolean includeEmptyFields, double offset) throws FunctionException {
+	public static String call(PageContext pc, String list, String delimiter, boolean includeEmptyFields, Number offset) throws FunctionException {
+		int off = Caster.toIntValue(offset);
+		if (off < 1) throw new FunctionException(pc, "ListRest", 4, "offset", "Argument offset must be a positive value greater than 0");
 
-		if (offset < 1) throw new FunctionException(pc, "ListRest", 4, "offset", "Argument offset must be a positive value greater than 0");
-
-		return ListUtil.rest(list, delimiter, !includeEmptyFields, (int) offset);
+		return ListUtil.rest(list, delimiter, !includeEmptyFields, off);
 	}
 
 	@Override
diff --git a/core/src/main/java/lucee/runtime/functions/math/Int.java b/core/src/main/java/lucee/runtime/functions/math/Int.java
index a96dbb4285..a5a1722958 100644
--- a/core/src/main/java/lucee/runtime/functions/math/Int.java
+++ b/core/src/main/java/lucee/runtime/functions/math/Int.java
@@ -37,7 +37,7 @@ public static Number call(PageContext pc, Number number) {
 		if (ThreadLocalPageContext.preciseMath(pc)) {
 			return Caster.toBigDecimal(number).toBigInteger();
 		}
-		return (int) Caster.toDoubleValue(number);
+		return Caster.toIntValue(number);
 	}
 
 	@Override
diff --git a/core/src/main/java/lucee/runtime/functions/system/GetCPUUsage.java b/core/src/main/java/lucee/runtime/functions/system/GetCPUUsage.java
index 11b77a29d4..ebad2d0ecb 100644
--- a/core/src/main/java/lucee/runtime/functions/system/GetCPUUsage.java
+++ b/core/src/main/java/lucee/runtime/functions/system/GetCPUUsage.java
@@ -32,8 +32,8 @@ public static Number call(PageContext pc) throws ApplicationException {
 		return call(pc, 1000);
 	}
 
-	public static Number call(PageContext pc, double time) throws ApplicationException {
-		return Caster.toNumber(pc, SystemUtil.getCpuUsage((long) time));
+	public static Number call(PageContext pc, Number time) throws ApplicationException {
+		return Caster.toNumber(pc, SystemUtil.getCpuUsage(Caster.toLongValue(time)));
 	}
 
 }
\ No newline at end of file