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23155464 = 2335931627
BaseRepresentation
bin101100001010…
…1001100001000
31121120102022210
41120111030020
521411433324
62144145120
7400550433
oct130251410
947512283
1023155464
1112086052
1279081a0
134a49777
14310a81a
152075d29
hex1615308

23155464 has 32 divisors (see below), whose sum is σ = 58021920. Its totient is φ = 7700736.

The previous prime is 23155463. The next prime is 23155469. The reversal of 23155464 is 46455132.

It is not an unprimeable number, because it can be changed into a prime (23155463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13419 + ... + 15045.

It is an arithmetic number, because the mean of its divisors is an integer number (1813185).

Almost surely, 223155464 is an apocalyptic number.

23155464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23155464 is an abundant number, since it is smaller than the sum of its proper divisors (34866456).

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

23155464 is a wasteful number, since it uses less digits than its factorization.

23155464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2225 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 23155464 is about 4812.0124688118. The cubic root of 23155464 is about 285.0260117840.

The spelling of 23155464 in words is "twenty-three million, one hundred fifty-five thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 593 1186 1627 1779 2372 3254 3558 4744 4881 6508 7116 9762 13016 14232 19524 39048 964811 1929622 2894433 3859244 5788866 7718488 11577732 23155464