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23813568 = 263313781
BaseRepresentation
bin101101011010…
…1110111000000
31122210212002000
41122311313000
522044013233
62210224000
7406261212
oct132656700
948725060
1023813568
1112495539
127b85000
134c1a18c
14323c5b2
152155d13
hex16b5dc0

23813568 has 56 divisors (see below), whose sum is σ = 70012560. Its totient is φ = 7937280.

The previous prime is 23813567. The next prime is 23813591. The reversal of 23813568 is 86531832.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23813561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5163 + ... + 8618.

Almost surely, 223813568 is an apocalyptic number.

It is an amenable number.

23813568 is an abundant number, since it is smaller than the sum of its proper divisors (46198992).

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

23813568 is a wasteful number, since it uses less digits than its factorization.

23813568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802 (or 13786 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 23813568 is about 4879.9147533538. The cubic root of 23813568 is about 287.7010787396.

The spelling of 23813568 in words is "twenty-three million, eight hundred thirteen thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 13781 27562 41343 55124 82686 110248 124029 165372 220496 248058 330744 372087 440992 496116 661488 744174 881984 992232 1322976 1488348 1984464 2645952 2976696 3968928 5953392 7937856 11906784 23813568