Base | Representation |
---|---|
bin | 11011100110111… |
… | …00010010101000 |
3 | 121010202221102120 |
4 | 31303130102220 |
5 | 433241322112 |
6 | 34551431240 |
7 | 5511321453 |
oct | 1563342250 |
9 | 533687376 |
10 | 231589032 |
11 | 1097a92a4 |
12 | 65685520 |
13 | 38c9763c |
14 | 22a8649a |
15 | 154e8e8c |
hex | dcdc4a8 |
231589032 has 32 divisors (see below), whose sum is σ = 581536800. Its totient is φ = 76854464.
The previous prime is 231589027. The next prime is 231589049. The reversal of 231589032 is 230985132.
231589032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 231588984 and 231589002.
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, 15807 + ... + 26702.
It is an arithmetic number, because the mean of its divisors is an integer number (18173025).
Almost surely, 2231589032 is an apocalyptic number.
It is an amenable number.
231589032 is an abundant number, since it is smaller than the sum of its proper divisors (349947768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231589032 is a wasteful number, since it uses less digits than its factorization.
231589032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42745 (or 42741 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 231589032 is about 15218.0495465089. The cubic root of 231589032 is about 614.1003277294.
The spelling of 231589032 in words is "two hundred thirty-one million, five hundred eighty-nine thousand, thirty-two".
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