Base | Representation |
---|---|
bin | 11011011101001… |
… | …00000010001001 |
3 | 121001100221221221 |
4 | 31232210002021 |
5 | 432424410100 |
6 | 34504202041 |
7 | 5464413541 |
oct | 1556440211 |
9 | 531327857 |
10 | 230310025 |
11 | 109005370 |
12 | 65169321 |
13 | 3893a42a |
14 | 22832321 |
15 | 1534501a |
hex | dba4089 |
230310025 has 24 divisors (see below), whose sum is σ = 322300800. Its totient is φ = 161716800.
The previous prime is 230310023. The next prime is 230310029. The reversal of 230310025 is 520013032.
It is not a de Polignac number, because 230310025 - 21 = 230310023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 230309990 and 230310008.
It is not an unprimeable number, because it can be changed into a prime (230310023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6465 + ... + 22414.
It is an arithmetic number, because the mean of its divisors is an integer number (13429200).
Almost surely, 2230310025 is an apocalyptic number.
230310025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
230310025 is a deficient number, since it is larger than the sum of its proper divisors (91990775).
230310025 is a wasteful number, since it uses less digits than its factorization.
230310025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28929 (or 28924 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 230310025 is about 15175.9686676008. The cubic root of 230310025 is about 612.9677337987.
Adding to 230310025 its reverse (520013032), we get a palindrome (750323057).
The spelling of 230310025 in words is "two hundred thirty million, three hundred ten thousand, twenty-five".
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