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318554012 = 22786313183
BaseRepresentation
bin10010111111001…
…011111110011100
3211012102012221202
4102333023332130
51123022212022
651335415032
710615443620
oct2277137634
9735365852
10318554012
111538a7387
128a824478
1350cc5cca
1430443180
151ce76592
hex12fcbf9c

318554012 has 24 divisors (see below), whose sum is σ = 637894656. Its totient is φ = 136354608.

The previous prime is 318553993. The next prime is 318554021. The reversal of 318554012 is 210455813.

It is a super-2 number, since 2×3185540122 = 202953317122592288, 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17573 + ... + 30755.

It is an arithmetic number, because the mean of its divisors is an integer number (26578944).

Almost surely, 2318554012 is an apocalyptic number.

It is an amenable number.

318554012 is an abundant number, since it is smaller than the sum of its proper divisors (319340644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318554012 is a wasteful number, since it uses less digits than its factorization.

318554012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14057 (or 14055 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 318554012 is about 17848.0814655245. The cubic root of 318554012 is about 682.9585710011.

The spelling of 318554012 in words is "three hundred eighteen million, five hundred fifty-four thousand, twelve".

Divisors: 1 2 4 7 14 28 863 1726 3452 6041 12082 13183 24164 26366 52732 92281 184562 369124 11376929 22753858 45507716 79638503 159277006 318554012