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18122094 = 2321006783
BaseRepresentation
bin100010100100…
…0010101101110
31021002200211200
41011020111232
514114401334
61444230330
7310015044
oct105102556
937080750
1018122094
11a258441
12609b3a6
1339a6743
14259a394
1518ce799
hex114856e

18122094 has 12 divisors (see below), whose sum is σ = 39264576. Its totient is φ = 6040692.

The previous prime is 18122087. The next prime is 18122099. The reversal of 18122094 is 49022181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18122099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503374 + ... + 503409.

It is an arithmetic number, because the mean of its divisors is an integer number (3272048).

Almost surely, 218122094 is an apocalyptic number.

18122094 is an abundant number, since it is smaller than the sum of its proper divisors (21142482).

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

18122094 is a wasteful number, since it uses less digits than its factorization.

18122094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006791 (or 1006788 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 18122094 is about 4257.0052854090. The cubic root of 18122094 is about 262.6653543213.

The spelling of 18122094 in words is "eighteen million, one hundred twenty-two thousand, ninety-four".

Divisors: 1 2 3 6 9 18 1006783 2013566 3020349 6040698 9061047 18122094