Base | Representation |
---|---|
bin | 101011111000… |
… | …0010001000111 |
3 | 1121021201212120 |
4 | 1113300101013 |
5 | 21342113411 |
6 | 2141021023 |
7 | 366350505 |
oct | 127602107 |
9 | 47251776 |
10 | 23004231 |
11 | 11a92468 |
12 | 7854773 |
13 | 49c5993 |
14 | 30ab675 |
15 | 2046106 |
hex | 15f0447 |
23004231 has 16 divisors (see below), whose sum is σ = 32471040. Its totient is φ = 14446080.
The previous prime is 23004227. The next prime is 23004253. The reversal of 23004231 is 13240032.
It is not a de Polignac number, because 23004231 - 22 = 23004227 is a prime.
It is a super-2 number, since 2×230042312 = 1058389287802722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23004231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23004211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9831 + ... + 11943.
It is an arithmetic number, because the mean of its divisors is an integer number (2029440).
Almost surely, 223004231 is an apocalyptic number.
23004231 is a deficient number, since it is larger than the sum of its proper divisors (9466809).
23004231 is a wasteful number, since it uses less digits than its factorization.
23004231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2326.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 23004231 is about 4796.2726152712. The cubic root of 23004231 is about 284.4041351786.
Adding to 23004231 its reverse (13240032), we get a palindrome (36244263).
The spelling of 23004231 in words is "twenty-three million, four thousand, two hundred thirty-one".
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