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318058990 = 2545077057
BaseRepresentation
bin10010111101010…
…011000111101110
3211011111001220121
4102331103013232
51122410341430
651321035154
710611312454
oct2275230756
9734431817
10318058990
11153599477
128a625aba
1350b818b2
14303549d4
151cdc9a7a
hex12f531ee

318058990 has 16 divisors (see below), whose sum is σ = 572714352. Its totient is φ = 127177344.

The previous prime is 318058987. The next prime is 318059009. The reversal of 318058990 is 99850813.

It is a super-2 number, since 2×3180589902 = 202323042239640200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41542 + ... + 48598.

It is an arithmetic number, because the mean of its divisors is an integer number (35794647).

Almost surely, 2318058990 is an apocalyptic number.

318058990 is a deficient number, since it is larger than the sum of its proper divisors (254655362).

318058990 is a wasteful number, since it uses less digits than its factorization.

318058990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 318058990 is about 17834.2084208972. The cubic root of 318058990 is about 682.6046228713.

The spelling of 318058990 in words is "three hundred eighteen million, fifty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 4507 7057 9014 14114 22535 35285 45070 70570 31805899 63611798 159029495 318058990