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Here's a solution for Java without having to convert to and from String or Character arrays:
int n = in.nextInt(); int r = n; int count = 0; while(r > 0){ if(r % 10 != 0 && n % (r % 10) == 0) count++; r = r / 10; } System.out.println(count);
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Here's a solution for Java without having to convert to and from String or Character arrays: