Base | Representation |
---|---|
bin | 11011011100101… |
… | …01110010100110 |
3 | 121001020222221020 |
4 | 31232111302212 |
5 | 432421023221 |
6 | 34503032010 |
7 | 5464051500 |
oct | 1556256246 |
9 | 531228836 |
10 | 230251686 |
11 | 108a75555 |
12 | 6513b606 |
13 | 38919a02 |
14 | 22818d70 |
15 | 15332ac6 |
hex | db95ca6 |
230251686 has 48 divisors (see below), whose sum is σ = 536901696. Its totient is φ = 65637264.
The previous prime is 230251661. The next prime is 230251691. The reversal of 230251686 is 686152032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242665 + ... + 243611.
It is an arithmetic number, because the mean of its divisors is an integer number (11185452).
Almost surely, 2230251686 is an apocalyptic number.
230251686 is an abundant number, since it is smaller than the sum of its proper divisors (306650010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230251686 is a wasteful number, since it uses less digits than its factorization.
230251686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1793 (or 1786 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 230251686 is about 15174.0464609807. The cubic root of 230251686 is about 612.9159732143.
The spelling of 230251686 in words is "two hundred thirty million, two hundred fifty-one thousand, six hundred eighty-six".
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