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22945992 = 233956083
BaseRepresentation
bin101011110001…
…0000011001000
31121011202222120
41113202003020
521333232432
62135451240
7366015636
oct127420310
947152876
1022945992
1111a52733
127826b20
1349a5314
143094356
152033c2c
hex15e20c8

22945992 has 16 divisors (see below), whose sum is σ = 57365040. Its totient is φ = 7648656.

The previous prime is 22945991. The next prime is 22945997. The reversal of 22945992 is 29954922.

It is not an unprimeable number, because it can be changed into a prime (22945991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478018 + ... + 478065.

It is an arithmetic number, because the mean of its divisors is an integer number (3585315).

Almost surely, 222945992 is an apocalyptic number.

It is an amenable number.

22945992 is an abundant number, since it is smaller than the sum of its proper divisors (34419048).

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

22945992 is a wasteful number, since it uses less digits than its factorization.

22945992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956092 (or 956088 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 22945992 is about 4790.1974907095. The cubic root of 22945992 is about 284.1639270506.

The spelling of 22945992 in words is "twenty-two million, nine hundred forty-five thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 956083 1912166 2868249 3824332 5736498 7648664 11472996 22945992