Base | Representation |
---|---|
bin | 11011100011000… |
… | …01101001111100 |
3 | 121002211102101021 |
4 | 31301201221330 |
5 | 433124233331 |
6 | 34532553524 |
7 | 5504130130 |
oct | 1561415174 |
9 | 532742337 |
10 | 231086716 |
11 | 109495963 |
12 | 654828a4 |
13 | 38b4cb03 |
14 | 229953c0 |
15 | 1544a211 |
hex | dc61a7c |
231086716 has 24 divisors (see below), whose sum is σ = 470010240. Its totient is φ = 97357872.
The previous prime is 231086707. The next prime is 231086717. The reversal of 231086716 is 617680132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231086717) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68290 + ... + 71593.
It is an arithmetic number, because the mean of its divisors is an integer number (19583760).
Almost surely, 2231086716 is an apocalyptic number.
It is an amenable number.
231086716 is an abundant number, since it is smaller than the sum of its proper divisors (238923524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231086716 is a wasteful number, since it uses less digits than its factorization.
231086716 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139953 (or 139951 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 231086716 is about 15201.5366328539. The cubic root of 231086716 is about 613.6560123374.
The spelling of 231086716 in words is "two hundred thirty-one million, eighty-six thousand, seven hundred sixteen".
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