Base | Representation |
---|---|
bin | 11011100111100… |
… | …00000101110010 |
3 | 121010221001200012 |
4 | 31303300011302 |
5 | 433301421010 |
6 | 34553254522 |
7 | 5512110056 |
oct | 1563600562 |
9 | 533831605 |
10 | 231670130 |
11 | 10985421a |
12 | 65704442 |
13 | 38cc5523 |
14 | 22aa7c66 |
15 | 15513005 |
hex | dcf0172 |
231670130 has 16 divisors (see below), whose sum is σ = 430458624. Its totient is φ = 89678640.
The previous prime is 231670129. The next prime is 231670147. The reversal of 231670130 is 31076132.
It is a happy number.
231670130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 231670096 and 231670105.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373352 + ... + 373971.
It is an arithmetic number, because the mean of its divisors is an integer number (26903664).
Almost surely, 2231670130 is an apocalyptic number.
231670130 is a deficient number, since it is larger than the sum of its proper divisors (198788494).
231670130 is a wasteful number, since it uses less digits than its factorization.
231670130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 747361.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 231670130 is about 15220.7138465973. The cubic root of 231670130 is about 614.1720013831.
The spelling of 231670130 in words is "two hundred thirty-one million, six hundred seventy thousand, one hundred thirty".
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