Base | Representation |
---|---|
bin | 101101001010… |
… | …1111001111001 |
3 | 1122120012112100 |
4 | 1122111321321 |
5 | 22030321211 |
6 | 2203334013 |
7 | 405204501 |
oct | 132257171 |
9 | 48505470 |
10 | 23682681 |
11 | 12406170 |
12 | 7b21309 |
13 | 4ba2729 |
14 | 3206a01 |
15 | 212c156 |
hex | 1695e79 |
23682681 has 24 divisors (see below), whose sum is σ = 37608480. Its totient is φ = 14241600.
The previous prime is 23682623. The next prime is 23682697. The reversal of 23682681 is 18628632.
It is not a de Polignac number, because 23682681 - 219 = 23158393 is a prime.
It is a super-2 number, since 2×236826812 = 1121738758695522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23682611) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12901 + ... + 14621.
It is an arithmetic number, because the mean of its divisors is an integer number (1567020).
Almost surely, 223682681 is an apocalyptic number.
It is an amenable number.
23682681 is a deficient number, since it is larger than the sum of its proper divisors (13925799).
23682681 is a wasteful number, since it uses less digits than its factorization.
23682681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1877 (or 1874 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 23682681 is about 4866.4854874951. The cubic root of 23682681 is about 287.1730109737.
The spelling of 23682681 in words is "twenty-three million, six hundred eighty-two thousand, six hundred eighty-one".
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