Base | Representation |
---|---|
bin | 11000010110001… |
… | …01010111000011 |
3 | 112020022001211000 |
4 | 30023011113003 |
5 | 404240412011 |
6 | 32133223043 |
7 | 5026641645 |
oct | 1413052703 |
9 | 466261730 |
10 | 204232131 |
11 | a5313694 |
12 | 58491a83 |
13 | 3340971c |
14 | 1d1a4895 |
15 | 12de3356 |
hex | c2c55c3 |
204232131 has 16 divisors (see below), whose sum is σ = 302793120. Its totient is φ = 136052640.
The previous prime is 204232117. The next prime is 204232153. The reversal of 204232131 is 131232402.
It is not a de Polignac number, because 204232131 - 219 = 203707843 is a prime.
It is a super-2 number, since 2×2042321312 = 83421526665602322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (204234131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56041 + ... + 59573.
It is an arithmetic number, because the mean of its divisors is an integer number (18924570).
Almost surely, 2204232131 is an apocalyptic number.
204232131 is a deficient number, since it is larger than the sum of its proper divisors (98560989).
204232131 is a wasteful number, since it uses less digits than its factorization.
204232131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5683 (or 5677 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 204232131 is about 14290.9807571069. The cubic root of 204232131 is about 588.8997314816.
Adding to 204232131 its reverse (131232402), we get a palindrome (335464533).
The spelling of 204232131 in words is "two hundred four million, two hundred thirty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •