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23137708 = 22112918133
BaseRepresentation
bin101100001000…
…0110110101100
31121112111222011
41120100312230
521410401313
62143531004
7400444606
oct130206654
947474864
1023137708
1112073780
1278b9a64
134a41669
143104176
15207093d
hex1610dac

23137708 has 24 divisors (see below), whose sum is σ = 45697680. Its totient is φ = 10153920.

The previous prime is 23137651. The next prime is 23137711. The reversal of 23137708 is 80773132.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23137708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7791 + ... + 10342.

It is an arithmetic number, because the mean of its divisors is an integer number (1904070).

Almost surely, 223137708 is an apocalyptic number.

It is an amenable number.

23137708 is a deficient number, since it is larger than the sum of its proper divisors (22559972).

23137708 is a wasteful number, since it uses less digits than its factorization.

23137708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18177 (or 18175 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 23137708 is about 4810.1671488629. The cubic root of 23137708 is about 284.9531389045.

It can be divided in two parts, 23 and 137708, that added together give a palindrome (137731).

The spelling of 23137708 in words is "twenty-three million, one hundred thirty-seven thousand, seven hundred eight".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 18133 36266 72532 199463 398926 525857 797852 1051714 2103428 5784427 11568854 23137708