Base | Representation |
---|---|
bin | 101101001010… |
… | …1011010101101 |
3 | 1122120002210102 |
4 | 1122111122231 |
5 | 22030240220 |
6 | 2203320445 |
7 | 405165620 |
oct | 132253255 |
9 | 48502712 |
10 | 23680685 |
11 | 12404716 |
12 | 7b20125 |
13 | 4ba1852 |
14 | 3205db7 |
15 | 212b775 |
hex | 16956ad |
23680685 has 24 divisors (see below), whose sum is σ = 33976320. Its totient is φ = 15520032.
The previous prime is 23680673. The next prime is 23680687. The reversal of 23680685 is 58608632.
It is not a de Polignac number, because 23680685 - 28 = 23680429 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23680687) 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, 17876 + ... + 19154.
It is an arithmetic number, because the mean of its divisors is an integer number (1415680).
Almost surely, 223680685 is an apocalyptic number.
It is an amenable number.
23680685 is a deficient number, since it is larger than the sum of its proper divisors (10295635).
23680685 is a wasteful number, since it uses less digits than its factorization.
23680685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1337 (or 1314 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 23680685 is about 4866.2804070460. The cubic root of 23680685 is about 287.1649430044.
The spelling of 23680685 in words is "twenty-three million, six hundred eighty thousand, six hundred eighty-five".
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