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23056506 = 23211116447
BaseRepresentation
bin101011111110…
…1000001111010
31121101101120200
41113331001322
521400302011
62142103030
7366656064
oct127750172
947341520
1023056506
1112018770
12787aa76
134a13705
1430c2734
152056856
hex15fd07a

23056506 has 24 divisors (see below), whose sum is σ = 54497664. Its totient is φ = 6986760.

The previous prime is 23056493. The next prime is 23056507. The reversal of 23056506 is 60565032.

23056506 is a `hidden beast` number, since 2 + 3 + 0 + 5 + 650 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23056506.

It is not an unprimeable number, because it can be changed into a prime (23056507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58026 + ... + 58421.

It is an arithmetic number, because the mean of its divisors is an integer number (2270736).

Almost surely, 223056506 is an apocalyptic number.

23056506 is an abundant number, since it is smaller than the sum of its proper divisors (31441158).

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

23056506 is a wasteful number, since it uses less digits than its factorization.

23056506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116466 (or 116463 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 23056506 is about 4801.7190671675. The cubic root of 23056506 is about 284.6193996212.

The spelling of 23056506 in words is "twenty-three million, fifty-six thousand, five hundred six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 116447 232894 349341 698682 1048023 1280917 2096046 2561834 3842751 7685502 11528253 23056506