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318479345 = 5594432437
BaseRepresentation
bin10010111110111…
…001101111110001
3211012021102112022
4102332321233301
51123012314340
651334041225
710615013132
oct2276715761
9735242468
10318479345
11153856278
128a7a9215
1350c9b022
1430423c89
151ce5e3b5
hex12fb9bf1

318479345 has 16 divisors (see below), whose sum is σ = 389689920. Its totient is φ = 249797184.

The previous prime is 318479339. The next prime is 318479351. The reversal of 318479345 is 543974813.

It is an interprime number because it is at equal distance from previous prime (318479339) and next prime (318479351).

It is a cyclic number.

It is not a de Polignac number, because 318479345 - 214 = 318462961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318479296 and 318479305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129467 + ... + 131903.

It is an arithmetic number, because the mean of its divisors is an integer number (24355620).

Almost surely, 2318479345 is an apocalyptic number.

It is an amenable number.

318479345 is a deficient number, since it is larger than the sum of its proper divisors (71210575).

318479345 is a wasteful number, since it uses less digits than its factorization.

318479345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its digits is 362880, while the sum is 44.

The square root of 318479345 is about 17845.9896055108. The cubic root of 318479345 is about 682.9052064743.

The spelling of 318479345 in words is "three hundred eighteen million, four hundred seventy-nine thousand, three hundred forty-five".

Divisors: 1 5 59 295 443 2215 2437 12185 26137 130685 143783 718915 1079591 5397955 63695869 318479345