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13022972 = 2229131857
BaseRepresentation
bin110001101011…
…011011111100
3220111122011022
4301223123330
511313213342
61143043312
7215456564
oct61533374
926448138
1013022972
117395396
124440538
13290c801
141a2dda4
1512239d2
hexc6b6fc

13022972 has 24 divisors (see below), whose sum is σ = 23783760. Its totient is φ = 6231680.

The previous prime is 13022963. The next prime is 13023013. The reversal of 13022972 is 27922031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14768 + ... + 15624.

It is an arithmetic number, because the mean of its divisors is an integer number (990990).

Almost surely, 213022972 is an apocalyptic number.

It is an amenable number.

13022972 is a deficient number, since it is larger than the sum of its proper divisors (10760788).

13022972 is a wasteful number, since it uses less digits than its factorization.

13022972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13022972 is about 3608.7355126138. The cubic root of 13022972 is about 235.2718869144.

The spelling of 13022972 in words is "thirteen million, twenty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 29 58 116 131 262 524 857 1714 3428 3799 7598 15196 24853 49706 99412 112267 224534 449068 3255743 6511486 13022972