#include <stdio.h>
#include <stdlib.h>

void IntToBin(int x) {
    
    for(int i = 0; i < 32; i++)
    {
    printf("%i", ((x & 0x80000000) != 0 ? 1 : 0));
    x = x << 1;
    }
printf("\n");
}

int main() {
    
IntToBin(123456789);

system("pause");
}