Base | Representation |
---|---|
bin | 11011011100011… |
… | …01101101010010 |
3 | 121001012022112000 |
4 | 31232031231102 |
5 | 432413443303 |
6 | 34502214430 |
7 | 5463553122 |
oct | 1556155522 |
9 | 531168460 |
10 | 230218578 |
11 | 108a52697 |
12 | 65124416 |
13 | 38907915 |
14 | 2280ac82 |
15 | 15327da3 |
hex | db8db52 |
230218578 has 32 divisors (see below), whose sum is σ = 513477120. Its totient is φ = 76457520.
The previous prime is 230218553. The next prime is 230218579. The reversal of 230218578 is 875812032.
It is not an unprimeable number, because it can be changed into a prime (230218579) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7263 + ... + 22653.
It is an arithmetic number, because the mean of its divisors is an integer number (16046160).
Almost surely, 2230218578 is an apocalyptic number.
230218578 is an abundant number, since it is smaller than the sum of its proper divisors (283258542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230218578 is a wasteful number, since it uses less digits than its factorization.
230218578 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15679 (or 15673 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 230218578 is about 15172.9554800639. The cubic root of 230218578 is about 612.8865946459.
The spelling of 230218578 in words is "two hundred thirty million, two hundred eighteen thousand, five hundred seventy-eight".
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