Numbers / 700

The Number 700

700 is composite: factorization 2^2 × 5^2 × 7. That gives 700 exactly 18 divisors: 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700. 700's proper divisors total 1036, 336 more than 700 itself, so 700 is abundant. 700 has a digit sum of 7; for 700, the digital root works out to 7. 700: 2, 4, 5, 7, 10 all divide 700 evenly, out of 2-12. 700 is 1010111100 in binary and 2BC in hex; as a Roman numeral it's DCC.