Base | Representation |
---|---|
bin | 101011111101… |
… | …0011000111000 |
3 | 1121100211202000 |
4 | 1113322120320 |
5 | 21344430223 |
6 | 2141541000 |
7 | 366612411 |
oct | 127723070 |
9 | 47324660 |
10 | 23045688 |
11 | 12010626 |
12 | 7874760 |
13 | 4a0b803 |
14 | 30bc808 |
15 | 2053543 |
hex | 15fa638 |
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".
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