Base | Representation |
---|---|
bin | 11011011110110… |
… | …10000101100011 |
3 | 121001210012200000 |
4 | 31233122011203 |
5 | 433004001202 |
6 | 34513031043 |
7 | 5466325200 |
oct | 1557320543 |
9 | 531705600 |
10 | 230531427 |
11 | 109146745 |
12 | 65255483 |
13 | 389b7139 |
14 | 2288cca7 |
15 | 1538a91c |
hex | dbda163 |
230531427 has 72 divisors (see below), whose sum is σ = 423259200. Its totient is φ = 124676496.
The previous prime is 230531419. The next prime is 230531429. The reversal of 230531427 is 724135032.
230531427 is a `hidden beast` number, since 230 + 5 + 3 + 1 + 427 = 666.
It is not a de Polignac number, because 230531427 - 23 = 230531419 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 230531427.
It is not an unprimeable number, because it can be changed into a prime (230531429) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 225724 + ... + 226742.
It is an arithmetic number, because the mean of its divisors is an integer number (5878600).
Almost surely, 2230531427 is an apocalyptic number.
230531427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
230531427 is a deficient number, since it is larger than the sum of its proper divisors (192727773).
230531427 is a wasteful number, since it uses less digits than its factorization.
230531427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1067 (or 1048 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 230531427 is about 15183.2614085380. The cubic root of 230531427 is about 613.1640905975.
Adding to 230531427 its reverse (724135032), we get a palindrome (954666459).
The spelling of 230531427 in words is "two hundred thirty million, five hundred thirty-one thousand, four hundred twenty-seven".
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