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317842492 = 221114834871
BaseRepresentation
bin10010111100011…
…110010000111100
3211011002001221011
4102330132100330
51122331424432
651312245004
710606421332
oct2274362074
9734061834
10317842492
11153460850
128a540764
1350b071a6
14302d9b52
151cd85847
hex12f1e43c

317842492 has 24 divisors (see below), whose sum is σ = 607324032. Its totient is φ = 144346800.

The previous prime is 317842487. The next prime is 317842493. The reversal of 317842492 is 294248713.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317842493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62817 + ... + 67687.

It is an arithmetic number, because the mean of its divisors is an integer number (25305168).

Almost surely, 2317842492 is an apocalyptic number.

It is an amenable number.

317842492 is a deficient number, since it is larger than the sum of its proper divisors (289481540).

317842492 is a wasteful number, since it uses less digits than its factorization.

317842492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369 (or 6367 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 317842492 is about 17828.1376481112. The cubic root of 317842492 is about 682.4497081290.

The spelling of 317842492 in words is "three hundred seventeen million, eight hundred forty-two thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 44 1483 2966 4871 5932 9742 16313 19484 32626 53581 65252 107162 214324 7223693 14447386 28894772 79460623 158921246 317842492