Numbers / 250

The Number 250

250 is composite: factorization 2 × 5^3. That gives 250 exactly 8 divisors: 1, 2, 5, 10, 25, 50, 125, 250. 250's proper divisors total just 218, 32 short of 250, the deficient case most of 250's neighbors share too. 250 has a digit sum of 7; for 250, the digital root works out to 7. 250: 2, 5, 10 all divide 250 evenly, out of 2-12. 250 is 11111010 in binary and FA in hex; as a Roman numeral it's CCL.