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317994107 = 1427222841
BaseRepresentation
bin10010111101000…
…011010001111011
3211011100202220112
4102331003101323
51122401302412
651315414535
710610622344
oct2275032173
9734322815
10317994107
11153554752
128a5b444b
1350b5b1c2
14303390cb
151cdb5722
hex12f4347b

317994107 has 4 divisors (see below), whose sum is σ = 318218376. Its totient is φ = 317769840.

The previous prime is 317994097. The next prime is 317994109. The reversal of 317994107 is 701499713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 317994107 - 26 = 317994043 is a prime.

It is a super-2 number, since 2×3179941072 = 202240504173454898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317994109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109994 + ... + 112847.

It is an arithmetic number, because the mean of its divisors is an integer number (79554594).

Almost surely, 2317994107 is an apocalyptic number.

317994107 is a deficient number, since it is larger than the sum of its proper divisors (224269).

317994107 is a wasteful number, since it uses less digits than its factorization.

317994107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224268.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 317994107 is about 17832.3892678463. The cubic root of 317994107 is about 682.5582033400.

The spelling of 317994107 in words is "three hundred seventeen million, nine hundred ninety-four thousand, one hundred seven".

Divisors: 1 1427 222841 317994107