Base | Representation |
---|---|
bin | 101100001010… |
… | …1110100110101 |
3 | 1121120112220021 |
4 | 1120111310311 |
5 | 21412024234 |
6 | 2144205141 |
7 | 400561144 |
oct | 130256465 |
9 | 47515807 |
10 | 23158069 |
11 | 12088000 |
12 | 79097b1 |
13 | 4a4a9cc |
14 | 310b75b |
15 | 20769b4 |
hex | 1615d35 |
23158069 has 16 divisors (see below), whose sum is σ = 25860096. Its totient is φ = 20734560.
The previous prime is 23158039. The next prime is 23158087. The reversal of 23158069 is 96085132.
It is not a de Polignac number, because 23158069 - 213 = 23149877 is a prime.
It is a super-2 number, since 2×231580692 = 1072592319617522, 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 (23158019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168969 + ... + 169105.
It is an arithmetic number, because the mean of its divisors is an integer number (1616256).
Almost surely, 223158069 is an apocalyptic number.
It is an amenable number.
23158069 is a deficient number, since it is larger than the sum of its proper divisors (2702027).
23158069 is a wasteful number, since it uses less digits than its factorization.
With its successor (23158070) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (297).
23158069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 297 (or 275 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 23158069 is about 4812.2831379710. The cubic root of 23158069 is about 285.0366999010.
The spelling of 23158069 in words is "twenty-three million, one hundred fifty-eight thousand, sixty-nine".
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