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23045688 = 2333106693
BaseRepresentation
bin101011111101…
…0011000111000
31121100211202000
41113322120320
521344430223
62141541000
7366612411
oct127723070
947324660
1023045688
1112010626
127874760
134a0b803
1430bc808
152053543
hex15fa638

23045688 has 32 divisors (see below), whose sum is σ = 64016400. Its totient is φ = 7681824.

The previous prime is 23045683. The next prime is 23045717. The reversal of 23045688 is 88654032.

It is a super-2 number, since 2×230456882 = 1062207470786688, which contains 22 as substring.

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 (23045683) 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, 53131 + ... + 53562.

Almost surely, 223045688 is an apocalyptic number.

It is an amenable number.

23045688 is an abundant number, since it is smaller than the sum of its proper divisors (40970712).

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

23045688 is a wasteful number, since it uses less digits than its factorization.

23045688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106708 (or 106698 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 23045688 is about 4800.5924634362. The cubic root of 23045688 is about 284.5748786468.

The spelling of 23045688 in words is "twenty-three million, forty-five thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 106693 213386 320079 426772 640158 853544 960237 1280316 1920474 2560632 2880711 3840948 5761422 7681896 11522844 23045688