Base | Representation |
---|---|
bin | 101011111110… |
… | …1100011100101 |
3 | 1121101111112111 |
4 | 1113331203211 |
5 | 21400334121 |
6 | 2142121021 |
7 | 366665263 |
oct | 127754345 |
9 | 47344474 |
10 | 23058661 |
11 | 1201a34a |
12 | 7880171 |
13 | 4a146a2 |
14 | 30c3433 |
15 | 20572e1 |
hex | 15fd8e5 |
23058661 has 4 divisors (see below), whose sum is σ = 23084992. Its totient is φ = 23032332.
The previous prime is 23058649. The next prime is 23058689. The reversal of 23058661 is 16685032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23058661 - 29 = 23058149 is a prime.
It is a super-2 number, since 2×230586612 = 1063403694225842, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23058611) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11805 + ... + 13618.
It is an arithmetic number, because the mean of its divisors is an integer number (5771248).
Almost surely, 223058661 is an apocalyptic number.
It is an amenable number.
23058661 is a deficient number, since it is larger than the sum of its proper divisors (26331).
23058661 is an equidigital number, since it uses as much as digits as its factorization.
23058661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26330.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 23058661 is about 4801.9434607250. The cubic root of 23058661 is about 284.6282667597.
The spelling of 23058661 in words is "twenty-three million, fifty-eight thousand, six hundred sixty-one".
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