Base | Representation |
---|---|
bin | 11011100011001… |
… | …00111101000110 |
3 | 121002212002220210 |
4 | 31301210331012 |
5 | 433130201410 |
6 | 34533140250 |
7 | 5504214414 |
oct | 1561447506 |
9 | 532762823 |
10 | 231100230 |
11 | 1094a5029 |
12 | 6548a686 |
13 | 38b55cca |
14 | 2299a2b4 |
15 | 1544e220 |
hex | dc64f46 |
231100230 has 32 divisors (see below), whose sum is σ = 583833600. Its totient is φ = 58383072.
The previous prime is 231100229. The next prime is 231100241. The reversal of 231100230 is 32001132.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202150 + ... + 203289.
It is an arithmetic number, because the mean of its divisors is an integer number (18244800).
Almost surely, 2231100230 is an apocalyptic number.
231100230 is an abundant number, since it is smaller than the sum of its proper divisors (352733370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231100230 is a wasteful number, since it uses less digits than its factorization.
231100230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405468.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 231100230 is about 15201.9811208934. The cubic root of 231100230 is about 613.6679743486.
Adding to 231100230 its reverse (32001132), we get a palindrome (263101362).
The spelling of 231100230 in words is "two hundred thirty-one million, one hundred thousand, two hundred thirty".
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