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317494338 = 23765911471
BaseRepresentation
bin10010111011001…
…001010001000010
3211010102101100120
4102323021101002
51122234304323
651301001110
710603441320
oct2273112102
9733371316
10317494338
11153243217
128a3b3196
1350a14895
1430248d10
151cd175e3
hex12ec9442

317494338 has 32 divisors (see below), whose sum is σ = 726865920. Its totient is φ = 90567120.

The previous prime is 317494273. The next prime is 317494357. The reversal of 317494338 is 833494713.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 317494338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21943 + ... + 33413.

It is an arithmetic number, because the mean of its divisors is an integer number (22714560).

Almost surely, 2317494338 is an apocalyptic number.

317494338 is an abundant number, since it is smaller than the sum of its proper divisors (409371582).

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

317494338 is a wasteful number, since it uses less digits than its factorization.

317494338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142.

The product of its digits is 217728, while the sum is 42.

The square root of 317494338 is about 17818.3708009459. The cubic root of 317494338 is about 682.2004395902.

The spelling of 317494338 in words is "three hundred seventeen million, four hundred ninety-four thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 659 1318 1977 3954 4613 9226 11471 13839 22942 27678 34413 68826 80297 160594 240891 481782 7559389 15118778 22678167 45356334 52915723 105831446 158747169 317494338