Base | Representation |
---|---|
bin | 11011011100111… |
… | …10001000111000 |
3 | 121001022201211200 |
4 | 31232132020320 |
5 | 432423122010 |
6 | 34503454200 |
7 | 5464253256 |
oct | 1556361070 |
9 | 531281750 |
10 | 230285880 |
11 | 108a99210 |
12 | 65157360 |
13 | 3892c446 |
14 | 228275d6 |
15 | 1533ccc0 |
hex | db9e238 |
230285880 has 96 divisors (see below), whose sum is σ = 816482160. Its totient is φ = 55825920.
The previous prime is 230285851. The next prime is 230285899. The reversal of 230285880 is 88582032.
230285880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 25117 + ... + 33036.
Almost surely, 2230285880 is an apocalyptic number.
230285880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230285880 is an abundant number, since it is smaller than the sum of its proper divisors (586196280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230285880 is a wasteful number, since it uses less digits than its factorization.
230285880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58181 (or 58174 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 230285880 is about 15175.1731456349. The cubic root of 230285880 is about 612.9463124947.
The spelling of 230285880 in words is "two hundred thirty million, two hundred eighty-five thousand, eight hundred eighty".
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