Base | Representation |
---|---|
bin | 11011100011101… |
… | …00010010010110 |
3 | 121002222022001201 |
4 | 31301310102112 |
5 | 433134204110 |
6 | 34534343114 |
7 | 5504565460 |
oct | 1561642226 |
9 | 532868051 |
10 | 231163030 |
11 | 10953822a |
12 | 654baa9a |
13 | 38b78777 |
14 | 229b5130 |
15 | 15462b3a |
hex | dc74496 |
231163030 has 16 divisors (see below), whose sum is σ = 475535520. Its totient is φ = 79255872.
The previous prime is 231162989. The next prime is 231163033. The reversal of 231163030 is 30361132.
231163030 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 = 231162989 and 231163007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231163033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651095 + ... + 1651234.
It is an arithmetic number, because the mean of its divisors is an integer number (29720970).
Almost surely, 2231163030 is an apocalyptic number.
231163030 is an abundant number, since it is smaller than the sum of its proper divisors (244372490).
231163030 is a wasteful number, since it uses less digits than its factorization.
231163030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3302343.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 231163030 is about 15204.0465008497. The cubic root of 231163030 is about 613.7235560883.
It can be divided in two parts, 2311 and 63030, that added together give a triangular number (65341 = T361).
The spelling of 231163030 in words is "two hundred thirty-one million, one hundred sixty-three thousand, thirty".
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