Numbers / 949

The Number 949

949 is composite: factorization 13 × 73. That gives 949 exactly 4 divisors: 1, 13, 73, 949. 949's proper divisors total just 87, 862 short of 949, the deficient case most of 949's neighbors share too. 949 is also a palindrome, since 949 reads identically forwards and backwards. 949 has a digit sum of 22; for 949, the digital root works out to 4. 949 shares no factor with 2-12; 949's own divisors start beyond that range. 949 is 1110110101 in binary and 3B5 in hex; as a Roman numeral it's CMXLIX.