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22990374 = 23211116113
BaseRepresentation
bin101011110110…
…0111000100110
31121021000212100
41113230320212
521341142444
62140432530
7366262221
oct127547046
947230770
1022990374
1111a83010
127848746
1349bc594
1430a65b8
152041e69
hex15ece26

22990374 has 24 divisors (see below), whose sum is σ = 54341352. Its totient is φ = 6966720.

The previous prime is 22990339. The next prime is 22990403. The reversal of 22990374 is 47309922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57859 + ... + 58254.

It is an arithmetic number, because the mean of its divisors is an integer number (2264223).

Almost surely, 222990374 is an apocalyptic number.

22990374 is an abundant number, since it is smaller than the sum of its proper divisors (31350978).

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

22990374 is a wasteful number, since it uses less digits than its factorization.

22990374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116132 (or 116129 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 22990374 is about 4794.8278384109. The cubic root of 22990374 is about 284.3470184439.

The spelling of 22990374 in words is "twenty-two million, nine hundred ninety thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 116113 232226 348339 696678 1045017 1277243 2090034 2554486 3831729 7663458 11495187 22990374