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22972896 = 25348863
BaseRepresentation
bin101011110100…
…0100111100000
31121020010220000
41113220213200
521340113041
62140220000
7366160242
oct127504740
947203800
1022972896
1111a70971
12783a600
1349b463b
1430a0092
15203bbb6
hex15e89e0

22972896 has 60 divisors (see below), whose sum is σ = 67570272. Its totient is φ = 7656768.

The previous prime is 22972877. The next prime is 22972909. The reversal of 22972896 is 69827922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1840 + ... + 7023.

Almost surely, 222972896 is an apocalyptic number.

It is an amenable number.

22972896 is an abundant number, since it is smaller than the sum of its proper divisors (44597376).

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

22972896 is an equidigital number, since it uses as much as digits as its factorization.

22972896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885 (or 8868 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 22972896 is about 4793.0049029810. The cubic root of 22972896 is about 284.2749436831.

The spelling of 22972896 in words is "twenty-two million, nine hundred seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 8863 17726 26589 35452 53178 70904 79767 106356 141808 159534 212712 239301 283616 319068 425424 478602 638136 717903 850848 957204 1276272 1435806 1914408 2552544 2871612 3828816 5743224 7657632 11486448 22972896