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18312094 = 2172323417
BaseRepresentation
bin100010111011…
…0101110011110
31021110100110201
41011312232132
514141441334
61452254114
7311436013
oct105665636
937410421
1018312094
11a378169
12617133a
133a42078
14260970a
15191ac14
hex1176b9e

18312094 has 16 divisors (see below), whose sum is σ = 30349728. Its totient is φ = 8242432.

The previous prime is 18312059. The next prime is 18312101. The reversal of 18312094 is 49021381.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10927 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (1896858).

Almost surely, 218312094 is an apocalyptic number.

18312094 is a deficient number, since it is larger than the sum of its proper divisors (12037634).

18312094 is a wasteful number, since it uses less digits than its factorization.

18312094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23459.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 18312094 is about 4279.2632543465. The cubic root of 18312094 is about 263.5801311047.

The spelling of 18312094 in words is "eighteen million, three hundred twelve thousand, ninety-four".

Divisors: 1 2 17 23 34 46 391 782 23417 46834 398089 538591 796178 1077182 9156047 18312094