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318694017 = 3106231339
BaseRepresentation
bin10010111111101…
…110001010000001
3211012200100000010
4102333232022001
51123041202032
651342415133
710616566035
oct2277561201
9735610003
10318694017
11153992594
128a8914a9
1351044955
143047c1c5
151cea2ccc
hex12fee281

318694017 has 4 divisors (see below), whose sum is σ = 424925360. Its totient is φ = 212462676.

The previous prime is 318693971. The next prime is 318694039. The reversal of 318694017 is 710496813.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 318694017 - 27 = 318693889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318694097) 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, 53115667 + ... + 53115672.

It is an arithmetic number, because the mean of its divisors is an integer number (106231340).

Almost surely, 2318694017 is an apocalyptic number.

It is an amenable number.

318694017 is a deficient number, since it is larger than the sum of its proper divisors (106231343).

318694017 is a wasteful number, since it uses less digits than its factorization.

318694017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106231342.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 318694017 is about 17852.0031649112. The cubic root of 318694017 is about 683.0586101431.

The spelling of 318694017 in words is "three hundred eighteen million, six hundred ninety-four thousand, seventeen".

Divisors: 1 3 106231339 318694017