Base | Representation |
---|---|
bin | 101101000111… |
… | …1011010000100 |
3 | 1122111212000200 |
4 | 1122033122010 |
5 | 22023443233 |
6 | 2203010500 |
7 | 405034062 |
oct | 132173204 |
9 | 48455020 |
10 | 23656068 |
11 | 12398177 |
12 | 7b09a30 |
13 | 4b93597 |
14 | 31db032 |
15 | 2124313 |
hex | 168f684 |
23656068 has 18 divisors (see below), whose sum is σ = 59797374. Its totient is φ = 7885344.
The previous prime is 23656067. The next prime is 23656081. The reversal of 23656068 is 86065632.
23656068 is a `hidden beast` number, since 2 + 36 + 560 + 68 = 666.
It can be written as a sum of positive squares in only one way, i.e., 22867524 + 788544 = 4782^2 + 888^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-3 number, since 3×236560683 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 657113 = 23656068 / (2 + 3 + 6 + 5 + 6 + 0 + 6 + 8).
It is not an unprimeable number, because it can be changed into a prime (23656067) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328521 + ... + 328592.
Almost surely, 223656068 is an apocalyptic number.
It is an amenable number.
23656068 is an abundant number, since it is smaller than the sum of its proper divisors (36141306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23656068 is a wasteful number, since it uses less digits than its factorization.
23656068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 657123 (or 657118 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 23656068 is about 4863.7504047802. The cubic root of 23656068 is about 287.0654021005.
The spelling of 23656068 in words is "twenty-three million, six hundred fifty-six thousand, sixty-eight".
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