Decimal to Binary Without Array

#include<stdio.h>
int main()
{
    int i=1, anik, rob, sum = 0, n;

    printf("Enter any number : ");
    scanf("%d", &n);

    rob = n;

    while(n != 0)
    {
        anik = n%2;

        n = n/2;

        sum = sum + (anik * i);

        i = i * 10;
    }

    printf("For %d Decimal Number to Binary Number : %d\n", rob, sum);

    return 0;
}