Base | Representation |
---|---|
bin | 11011100011000… |
… | …01101011010100 |
3 | 121002211102111112 |
4 | 31301201223110 |
5 | 433124234204 |
6 | 34532554152 |
7 | 5504130314 |
oct | 1561415324 |
9 | 532742445 |
10 | 231086804 |
11 | 109495a33 |
12 | 65482958 |
13 | 38b4cb70 |
14 | 22995444 |
15 | 1544a26e |
hex | dc61ad4 |
231086804 has 24 divisors (see below), whose sum is σ = 436149000. Its totient is φ = 106498944.
The previous prime is 231086789. The next prime is 231086833. The reversal of 231086804 is 408680132.
231086804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 34245904 + 196840900 = 5852^2 + 14030^2 .
It is a super-2 number, since 2×2310868042 = 106802221965868832, which contains 22 as substring.
It is a congruent number.
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, 37322 + ... + 43070.
It is an arithmetic number, because the mean of its divisors is an integer number (18172875).
Almost surely, 2231086804 is an apocalyptic number.
It is an amenable number.
231086804 is a deficient number, since it is larger than the sum of its proper divisors (205062196).
231086804 is a wasteful number, since it uses less digits than its factorization.
231086804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6539 (or 6537 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 231086804 is about 15201.5395272979. The cubic root of 231086804 is about 613.6560902327.
The spelling of 231086804 in words is "two hundred thirty-one million, eighty-six thousand, eight hundred four".
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