Numbers / 500

The Number 500

500 is composite: factorization 2^2 × 5^3. That gives 500 exactly 12 divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500. 500's proper divisors total 592, 92 more than 500 itself, so 500 is abundant. 500 has a digit sum of 5; for 500, the digital root works out to 5. 500: 2, 4, 5, 10 all divide 500 evenly, out of 2-12. 500 is 111110100 in binary and 1F4 in hex; as a Roman numeral it's D.