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22940154 = 2322355411
BaseRepresentation
bin101011110000…
…0100111111010
31121011110222100
41113200213322
521333041104
62135404230
7365662626
oct127404772
947143870
1022940154
1111a49306
127823676
1349a2773
143092186
152032139
hex15e09fa

22940154 has 24 divisors (see below), whose sum is σ = 51865632. Its totient is φ = 7314120.

The previous prime is 22940147. The next prime is 22940161. The reversal of 22940154 is 45104922.

It is an interprime number because it is at equal distance from previous prime (22940147) and next prime (22940161).

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, 27292 + ... + 28119.

It is an arithmetic number, because the mean of its divisors is an integer number (2161068).

Almost surely, 222940154 is an apocalyptic number.

22940154 is an abundant number, since it is smaller than the sum of its proper divisors (28925478).

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

22940154 is a wasteful number, since it uses less digits than its factorization.

22940154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55442 (or 55439 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22940154 is about 4789.5880824973. The cubic root of 22940154 is about 284.1398256779.

The spelling of 22940154 in words is "twenty-two million, nine hundred forty thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 55411 110822 166233 332466 498699 997398 1274453 2548906 3823359 7646718 11470077 22940154