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23089172 = 2231792357
BaseRepresentation
bin101100000010…
…1000000010100
31121110001101112
41120011000110
521402323142
62142514152
7400153241
oct130050024
947401345
1023089172
1112040267
127895958
134a25542
1430d05c8
152061382
hex1605014

23089172 has 24 divisors (see below), whose sum is σ = 42255360. Its totient is φ = 11026080.

The previous prime is 23089159. The next prime is 23089207. The reversal of 23089172 is 27198032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8618 + ... + 10974.

It is an arithmetic number, because the mean of its divisors is an integer number (1760640).

Almost surely, 223089172 is an apocalyptic number.

It is an amenable number.

23089172 is a deficient number, since it is larger than the sum of its proper divisors (19166188).

23089172 is a wasteful number, since it uses less digits than its factorization.

23089172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 23089172 is about 4805.1193533564. The cubic root of 23089172 is about 284.7537505644.

The spelling of 23089172 in words is "twenty-three million, eighty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 31 62 79 124 158 316 2357 2449 4714 4898 9428 9796 73067 146134 186203 292268 372406 744812 5772293 11544586 23089172