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317964252 = 22326497021
BaseRepresentation
bin10010111100111…
…011111111011100
3211011022020221210
4102330323333130
51122344324002
651315024420
710610436324
oct2274737734
9734266853
10317964252
11153534281
128a59b110
1350b4a738
143032c284
151cdab96c
hex12f3bfdc

317964252 has 12 divisors (see below), whose sum is σ = 741916616. Its totient is φ = 105988080.

The previous prime is 317964239. The next prime is 317964281. The reversal of 317964252 is 252469713.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3179642522 = 202202531099839008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317964252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13248499 + ... + 13248522.

Almost surely, 2317964252 is an apocalyptic number.

It is an amenable number.

317964252 is an abundant number, since it is smaller than the sum of its proper divisors (423952364).

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

317964252 is a wasteful number, since it uses less digits than its factorization.

317964252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26497028 (or 26497026 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 317964252 is about 17831.5521478081. The cubic root of 317964252 is about 682.5368419243.

The spelling of 317964252 in words is "three hundred seventeen million, nine hundred sixty-four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 26497021 52994042 79491063 105988084 158982126 317964252