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318505054 = 2734765563
BaseRepresentation
bin10010111111000…
…000000001011110
3211012022201210111
4102333000001132
51123014130204
651334400234
710615151110
oct2277000136
9735281714
10318505054
1115387361a
128a80007a
1350ca993a
143042d3b0
151ce66d04
hex12fc005e

318505054 has 16 divisors (see below), whose sum is σ = 547590528. Its totient is φ = 136106712.

The previous prime is 318505051. The next prime is 318505063. The reversal of 318505054 is 450505813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318505051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27924 + ... + 37639.

It is an arithmetic number, because the mean of its divisors is an integer number (34224408).

Almost surely, 2318505054 is an apocalyptic number.

318505054 is a deficient number, since it is larger than the sum of its proper divisors (229085474).

318505054 is a wasteful number, since it uses less digits than its factorization.

318505054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65919.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 318505054 is about 17846.7098928626. The cubic root of 318505054 is about 682.9235816456.

The spelling of 318505054 in words is "three hundred eighteen million, five hundred five thousand, fifty-four".

Divisors: 1 2 7 14 347 694 2429 4858 65563 131126 458941 917882 22750361 45500722 159252527 318505054