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317985676 = 22239487683
BaseRepresentation
bin10010111101000…
…001001110001100
3211011100100100021
4102331001032030
51122401020201
651315311524
710610555641
oct2275011614
9734310307
10317985676
11153549388
128a5ab5a4
1350b57408
1430335dc8
151cdb2ea1
hex12f4138c

317985676 has 24 divisors (see below), whose sum is σ = 560770560. Its totient is φ = 157771152.

The previous prime is 317985643. The next prime is 317985683. The reversal of 317985676 is 676589713.

It is a super-2 number, since 2×3179856762 = 202229780282353952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465231 + ... + 465913.

It is an arithmetic number, because the mean of its divisors is an integer number (23365440).

Almost surely, 2317985676 is an apocalyptic number.

It is an amenable number.

317985676 is a deficient number, since it is larger than the sum of its proper divisors (242784884).

317985676 is a wasteful number, since it uses less digits than its factorization.

317985676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1411 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The square root of 317985676 is about 17832.1528705874. The cubic root of 317985676 is about 682.5521710489.

The spelling of 317985676 in words is "three hundred seventeen million, nine hundred eighty-five thousand, six hundred seventy-six".

Divisors: 1 2 4 239 478 487 683 956 974 1366 1948 2732 116393 163237 232786 326474 332621 465572 652948 665242 1330484 79496419 158992838 317985676