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318257112 = 23313260713
BaseRepresentation
bin10010111110000…
…011011111011000
3211011212010200110
4102332003133120
51122433211422
651325204320
710613066205
oct2276033730
9734763613
10318257112
11153714308
128a7006a0
1350c20b24
14303a6cac
151ce1860c
hex12f837d8

318257112 has 16 divisors (see below), whose sum is σ = 795642840. Its totient is φ = 106085696.

The previous prime is 318257099. The next prime is 318257117. The reversal of 318257112 is 211752813.

It is a self number, because there is not a number n which added to its sum of digits gives 318257112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318257117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6630333 + ... + 6630380.

Almost surely, 2318257112 is an apocalyptic number.

It is an amenable number.

318257112 is an abundant number, since it is smaller than the sum of its proper divisors (477385728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318257112 is a wasteful number, since it uses less digits than its factorization.

318257112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260722 (or 13260718 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 318257112 is about 17839.7621060372. The cubic root of 318257112 is about 682.7463271112.

The spelling of 318257112 in words is "three hundred eighteen million, two hundred fifty-seven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 13260713 26521426 39782139 53042852 79564278 106085704 159128556 318257112