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318679005 = 35174712161
BaseRepresentation
bin10010111111101…
…010011111011101
3211012122120102010
4102333222133131
51123040212010
651342221433
710616504211
oct2277523735
9735576363
10318679005
11153982287
128a884879
135103ab78
1430476941
151ce9d620
hex12fea7dd

318679005 has 16 divisors (see below), whose sum is σ = 510220224. Its totient is φ = 169850880.

The previous prime is 318678989. The next prime is 318679043. The reversal of 318679005 is 500976813.

It is not a de Polignac number, because 318679005 - 24 = 318678989 is a prime.

It is a Curzon number.

It is a congruent number.

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, 20125 + ... + 32285.

It is an arithmetic number, because the mean of its divisors is an integer number (31888764).

Almost surely, 2318679005 is an apocalyptic number.

It is an amenable number.

318679005 is a deficient number, since it is larger than the sum of its proper divisors (191541219).

318679005 is a wasteful number, since it uses less digits than its factorization.

318679005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13916.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 318679005 is about 17851.5827029426. The cubic root of 318679005 is about 683.0478848745.

The spelling of 318679005 in words is "three hundred eighteen million, six hundred seventy-nine thousand, five".

Divisors: 1 3 5 15 1747 5241 8735 12161 26205 36483 60805 182415 21245267 63735801 106226335 318679005