Numbers / 938
The Number 938
938 is composite: factorization 2 × 7 × 67. That gives 938 exactly 8 divisors: 1, 2, 7, 14, 67, 134, 469, 938. 938's proper divisors total just 694, 244 short of 938, the deficient case most of 938's neighbors share too. 938 has a digit sum of 20; for 938, the digital root works out to 2. 938: 2, 7 all divide 938 evenly, out of 2-12. 938 is 1110101010 in binary and 3AA in hex; as a Roman numeral it's CMXXXVIII.