Base | Representation |
---|---|
bin | 11011100010100… |
… | …10001011000100 |
3 | 121002201012101112 |
4 | 31301102023010 |
5 | 433120221200 |
6 | 34531344152 |
7 | 5503444214 |
oct | 1561221304 |
9 | 532635345 |
10 | 231023300 |
11 | 109452252 |
12 | 65452058 |
13 | 38b29ca1 |
14 | 2297a244 |
15 | 15436535 |
hex | dc522c4 |
231023300 has 18 divisors (see below), whose sum is σ = 501320778. Its totient is φ = 92409280.
The previous prime is 231023297. The next prime is 231023341. The reversal of 231023300 is 3320132.
It can be written as a sum of positive squares in 3 ways, for example, as 9132484 + 221890816 = 3022^2 + 14896^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1155017 + ... + 1155216.
Almost surely, 2231023300 is an apocalyptic number.
231023300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231023300 is an abundant number, since it is smaller than the sum of its proper divisors (270297478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231023300 is a wasteful number, since it uses less digits than its factorization.
231023300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2310247 (or 2310240 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 231023300 is about 15199.4506479675. The cubic root of 231023300 is about 613.5998729932.
Adding to 231023300 its reverse (3320132), we get a palindrome (234343432).
The spelling of 231023300 in words is "two hundred thirty-one million, twenty-three thousand, three hundred".
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