Base | Representation |
---|---|
bin | 1100011100111… |
… | …1100001010111 |
3 | 10122021120102000 |
4 | 3013033201113 |
5 | 101332331411 |
6 | 5103250343 |
7 | 1202643504 |
oct | 307174127 |
9 | 118246360 |
10 | 52230231 |
11 | 27534389 |
12 | 155a99b3 |
13 | aa89581 |
14 | 6d184ab |
15 | 48ba956 |
hex | 31cf857 |
52230231 has 32 divisors (see below), whose sum is σ = 79315200. Its totient is φ = 33962400.
The previous prime is 52230229. The next prime is 52230349. The reversal of 52230231 is 13203225.
It is not a de Polignac number, because 52230231 - 21 = 52230229 is a prime.
It is a super-2 number, since 2×522302312 = 5455994060626722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52230931) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291700 + ... + 291878.
It is an arithmetic number, because the mean of its divisors is an integer number (2478600).
Almost surely, 252230231 is an apocalyptic number.
52230231 is a deficient number, since it is larger than the sum of its proper divisors (27084969).
52230231 is a wasteful number, since it uses less digits than its factorization.
52230231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 396 (or 390 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 52230231 is about 7227.0485677073. The cubic root of 52230231 is about 373.8011635271.
Adding to 52230231 its reverse (13203225), we get a palindrome (65433456).
The spelling of 52230231 in words is "fifty-two million, two hundred thirty thousand, two hundred thirty-one".
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