Base | Representation |
---|---|
bin | 11011100010011… |
… | …10111101110100 |
3 | 121002200112101000 |
4 | 31301032331310 |
5 | 433114311124 |
6 | 34531203300 |
7 | 5503361010 |
oct | 1561167564 |
9 | 532615330 |
10 | 231010164 |
11 | 1094433a0 |
12 | 65446530 |
13 | 38b24008 |
14 | 22975540 |
15 | 154326c9 |
hex | dc4ef74 |
231010164 has 96 divisors (see below), whose sum is σ = 746726400. Its totient is φ = 60000480.
The previous prime is 231010103. The next prime is 231010223. The reversal of 231010164 is 461010132.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5574 + ... + 22205.
It is an arithmetic number, because the mean of its divisors is an integer number (7778400).
Almost surely, 2231010164 is an apocalyptic number.
It is an amenable number.
231010164 is an abundant number, since it is smaller than the sum of its proper divisors (515716236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231010164 is a wasteful number, since it uses less digits than its factorization.
231010164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27810 (or 27802 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 231010164 is about 15199.0185209440. The cubic root of 231010164 is about 613.5882429965.
Adding to 231010164 its reverse (461010132), we get a palindrome (692020296).
The spelling of 231010164 in words is "two hundred thirty-one million, ten thousand, one hundred sixty-four".
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