Base | Representation |
---|---|
bin | 101011111110… |
… | …1000111111101 |
3 | 1121101102010000 |
4 | 1113331013331 |
5 | 21400310033 |
6 | 2142104513 |
7 | 366660156 |
oct | 127750775 |
9 | 47342100 |
10 | 23056893 |
11 | 12018a92 |
12 | 787b139 |
13 | 4a13942 |
14 | 30c292d |
15 | 2056a13 |
hex | 15fd1fd |
23056893 has 20 divisors (see below), whose sum is σ = 34599708. Its totient is φ = 15301440.
The previous prime is 23056889. The next prime is 23056897. The reversal of 23056893 is 39865032.
23056893 is a `hidden beast` number, since 2 + 3 + 0 + 568 + 93 = 666.
It is an interprime number because it is at equal distance from previous prime (23056889) and next prime (23056897).
It can be written as a sum of positive squares in 2 ways, for example, as 5391684 + 17665209 = 2322^2 + 4203^2 .
It is not a de Polignac number, because 23056893 - 22 = 23056889 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23056897) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22255 + ... + 23267.
Almost surely, 223056893 is an apocalyptic number.
It is an amenable number.
23056893 is a deficient number, since it is larger than the sum of its proper divisors (11542815).
23056893 is a wasteful number, since it uses less digits than its factorization.
23056893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1306 (or 1297 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 23056893 is about 4801.7593650661. The cubic root of 23056893 is about 284.6209920436.
The spelling of 23056893 in words is "twenty-three million, fifty-six thousand, eight hundred ninety-three".
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