Base | Representation |
---|---|
bin | 101100000010… |
… | …0001101010011 |
3 | 1121102212220121 |
4 | 1120010031103 |
5 | 21402222112 |
6 | 2142451111 |
7 | 400140565 |
oct | 130041523 |
9 | 47385817 |
10 | 23085907 |
11 | 12038869 |
12 | 7893a97 |
13 | 4a23c00 |
14 | 30cd335 |
15 | 2060407 |
hex | 1604353 |
23085907 has 6 divisors (see below), whose sum is σ = 24998532. Its totient is φ = 21309912.
The previous prime is 23085901. The next prime is 23085929. The reversal of 23085907 is 70958032.
It is a de Polignac number, because none of the positive numbers 2k-23085907 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23085901) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68133 + ... + 68470.
It is an arithmetic number, because the mean of its divisors is an integer number (4166422).
Almost surely, 223085907 is an apocalyptic number.
23085907 is a deficient number, since it is larger than the sum of its proper divisors (1912625).
23085907 is a wasteful number, since it uses less digits than its factorization.
23085907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136629 (or 136616 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 23085907 is about 4804.7795995238. The cubic root of 23085907 is about 284.7403277527.
The spelling of 23085907 in words is "twenty-three million, eighty-five thousand, nine hundred seven".
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