Base | Representation |
---|---|
bin | 11011011111101… |
… | …10000101101011 |
3 | 121002000001000000 |
4 | 31233312011223 |
5 | 433021133443 |
6 | 34515314043 |
7 | 5500313451 |
oct | 1557660553 |
9 | 532001000 |
10 | 230646123 |
11 | 109214934 |
12 | 652ab923 |
13 | 38a273c6 |
14 | 228bc9d1 |
15 | 153ae8d3 |
hex | dbf616b |
230646123 has 56 divisors (see below), whose sum is σ = 376796448. Its totient is φ = 140527872.
The previous prime is 230646121. The next prime is 230646131. The reversal of 230646123 is 321646032.
230646123 is a `hidden beast` number, since 2 + 3 + 0 + 646 + 12 + 3 = 666.
It is not a de Polignac number, because 230646123 - 21 = 230646121 is a prime.
It is a super-2 number, since 2×2306461232 = 106395268109862258, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (230646121) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 458290 + ... + 458792.
It is an arithmetic number, because the mean of its divisors is an integer number (6728508).
Almost surely, 2230646123 is an apocalyptic number.
230646123 is a deficient number, since it is larger than the sum of its proper divisors (146150325).
230646123 is an equidigital number, since it uses as much as digits as its factorization.
230646123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575 (or 560 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
The square root of 230646123 is about 15187.0379929728. The cubic root of 230646123 is about 613.2657626477.
Subtracting 230646123 from its reverse (321646032), we obtain a palindrome (90999909).
The spelling of 230646123 in words is "two hundred thirty million, six hundred forty-six thousand, one hundred twenty-three".
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