Numbers / 502

The Number 502

502 is composite: factorization 2 × 251. That gives 502 exactly 4 divisors: 1, 2, 251, 502. 502's proper divisors total just 254, 248 short of 502, the deficient case most of 502's neighbors share too. 502 has a digit sum of 7; for 502, the digital root works out to 7. 502: 2 all divide 502 evenly, out of 2-12. 502 is 111110110 in binary and 1F6 in hex; as a Roman numeral it's DII.