Numbers / 740

The Number 740

740 is composite: factorization 2^2 × 5 × 37. That gives 740 exactly 12 divisors: 1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740. 740's proper divisors total 856, 116 more than 740 itself, so 740 is abundant. 740 has a digit sum of 11; for 740, the digital root works out to 2. 740: 2, 4, 5, 10 all divide 740 evenly, out of 2-12. 740 is 1011100100 in binary and 2E4 in hex; as a Roman numeral it's DCCXL.