Base | Representation |
---|---|
bin | 101100001101… |
… | …1011010011100 |
3 | 1121121201021221 |
4 | 1120123122130 |
5 | 21413242311 |
6 | 2144503124 |
7 | 401014651 |
oct | 130333234 |
9 | 47551257 |
10 | 23180956 |
11 | 120a3217 |
12 | 791aaa4 |
13 | 4a58256 |
14 | 3115c28 |
15 | 207d671 |
hex | 161b69c |
23180956 has 24 divisors (see below), whose sum is σ = 41740160. Its totient is φ = 11258352.
The previous prime is 23180951. The next prime is 23180959. The reversal of 23180956 is 65908132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23180951) 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 7 ways as a sum of consecutive naturals, for example, 52585 + ... + 53023.
Almost surely, 223180956 is an apocalyptic number.
It is an amenable number.
23180956 is a deficient number, since it is larger than the sum of its proper divisors (18559204).
23180956 is a wasteful number, since it uses less digits than its factorization.
23180956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793 (or 791 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 23180956 is about 4814.6605280123. The cubic root of 23180956 is about 285.1305690838.
The spelling of 23180956 in words is "twenty-three million, one hundred eighty thousand, nine hundred fifty-six".
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