How to check a number palindrome or not in C

How to check a number palindrome or not in C

#include<stdio.h>

void main(){

    int n,r,sum=0,temp;

    printf("Please enter a number: ");

    scanf("%d",&n);

    temp=n;

    while(n){

         r=n%10;

         n=n/10;

         sum=sum*10+r;

    }

    if(temp==sum)

         printf("%d is a palindrome number",temp);

    else

         printf("%d is not a palindrome number",temp);

}

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