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317542434 = 231147102367
BaseRepresentation
bin10010111011010…
…101000000100010
3211010111211022220
4102323111000202
51122242324214
651302011510
710604031456
oct2273250042
9733454286
10317542434
11153276370
128a416b96
1350a30741
143025c666
151cd269a9
hex12ed5022

317542434 has 32 divisors (see below), whose sum is σ = 707567616. Its totient is φ = 94176720.

The previous prime is 317542369. The next prime is 317542453. The reversal of 317542434 is 434245713.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 317542395 and 317542404.

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, 48082 + ... + 54285.

It is an arithmetic number, because the mean of its divisors is an integer number (22111488).

Almost surely, 2317542434 is an apocalyptic number.

317542434 is an abundant number, since it is smaller than the sum of its proper divisors (390025182).

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

317542434 is a wasteful number, since it uses less digits than its factorization.

317542434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102430.

The product of its digits is 40320, while the sum is 33.

The square root of 317542434 is about 17819.7203681764. The cubic root of 317542434 is about 682.2348858272.

The spelling of 317542434 in words is "three hundred seventeen million, five hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 47 66 94 141 282 517 1034 1551 3102 102367 204734 307101 614202 1126037 2252074 3378111 4811249 6756222 9622498 14433747 28867494 52923739 105847478 158771217 317542434