Base | Representation |
---|---|
bin | 11011100101101… |
… | …01110101001000 |
3 | 121010110221022220 |
4 | 31302311311020 |
5 | 433221301441 |
6 | 34544214040 |
7 | 5510064252 |
oct | 1562656510 |
9 | 533427286 |
10 | 231431496 |
11 | 1097009aa |
12 | 6560a320 |
13 | 38c40a1a |
14 | 22a44cd2 |
15 | 154b7466 |
hex | dcb5d48 |
231431496 has 32 divisors (see below), whose sum is σ = 589498560. Its totient is φ = 75687872.
The previous prime is 231431491. The next prime is 231431503. The reversal of 231431496 is 694134132.
It is not an unprimeable number, because it can be changed into a prime (231431491) 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, 89700 + ... + 92243.
It is an arithmetic number, because the mean of its divisors is an integer number (18421830).
Almost surely, 2231431496 is an apocalyptic number.
It is an amenable number.
231431496 is an abundant number, since it is smaller than the sum of its proper divisors (358067064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231431496 is a wasteful number, since it uses less digits than its factorization.
231431496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182005 (or 182001 counting only the distinct ones).
The product of its digits is 15552, while the sum is 33.
The square root of 231431496 is about 15212.8727070202. The cubic root of 231431496 is about 613.9610510507.
The spelling of 231431496 in words is "two hundred thirty-one million, four hundred thirty-one thousand, four hundred ninety-six".
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