Base | Representation |
---|---|
bin | 11011011111101… |
… | …11101001110011 |
3 | 121002000100210100 |
4 | 31233313221303 |
5 | 433021340111 |
6 | 34515403443 |
7 | 5500341234 |
oct | 1557675163 |
9 | 532010710 |
10 | 230652531 |
11 | 10921972a |
12 | 652b3583 |
13 | 38a2a2b5 |
14 | 228c108b |
15 | 153b1756 |
hex | dbf7a73 |
230652531 has 12 divisors (see below), whose sum is σ = 333333000. Its totient is φ = 153690720.
The previous prime is 230652523. The next prime is 230652557. The reversal of 230652531 is 135256032.
230652531 is a `hidden beast` number, since 2 + 3 + 0 + 652 + 5 + 3 + 1 = 666.
It is not a de Polignac number, because 230652531 - 23 = 230652523 is a prime.
It is a super-2 number, since 2×2306525312 = 106401180113411922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 230652495 and 230652504.
It is not an unprimeable number, because it can be changed into a prime (230652581) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16720 + ... + 27218.
It is an arithmetic number, because the mean of its divisors is an integer number (27777750).
Almost surely, 2230652531 is an apocalyptic number.
230652531 is a deficient number, since it is larger than the sum of its proper divisors (102680469).
230652531 is a wasteful number, since it uses less digits than its factorization.
230652531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12946 (or 12943 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 230652531 is about 15187.2489608882. The cubic root of 230652531 is about 613.2714420128.
The spelling of 230652531 in words is "two hundred thirty million, six hundred fifty-two thousand, five hundred thirty-one".
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