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318814045 = 51113144249
BaseRepresentation
bin10011000000001…
…011011101011101
3211012220102122121
4103000023131131
51123104022140
651345142541
710620606004
oct2300133535
9735812577
10318814045
11153a64790
128a92aa51
1351087484
14304adc3b
151cec864a
hex1300b75d

318814045 has 16 divisors (see below), whose sum is σ = 420552000. Its totient is φ = 230089600.

The previous prime is 318814043. The next prime is 318814051. The reversal of 318814045 is 540418813.

It is not a de Polignac number, because 318814045 - 21 = 318814043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318814045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318814043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14920 + ... + 29329.

It is an arithmetic number, because the mean of its divisors is an integer number (26284500).

Almost surely, 2318814045 is an apocalyptic number.

It is an amenable number.

318814045 is a deficient number, since it is larger than the sum of its proper divisors (101737955).

318814045 is a wasteful number, since it uses less digits than its factorization.

318814045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44396.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 318814045 is about 17855.3646000299. The cubic root of 318814045 is about 683.1443516004.

The spelling of 318814045 in words is "three hundred eighteen million, eight hundred fourteen thousand, forty-five".

Divisors: 1 5 11 55 131 655 1441 7205 44249 221245 486739 2433695 5796619 28983095 63762809 318814045