Numbers / 402

The Number 402

402 is composite: factorization 2 × 3 × 67. That gives 402 exactly 8 divisors: 1, 2, 3, 6, 67, 134, 201, 402. 402's proper divisors total 414, 12 more than 402 itself, so 402 is abundant. 402 has a digit sum of 6; for 402, the digital root works out to 6. 402: 2, 3, 6 all divide 402 evenly, out of 2-12. 402 is 110010010 in binary and 192 in hex; as a Roman numeral it's CDII.