Base | Representation |
---|---|
bin | 101100010011… |
… | …1111000011001 |
3 | 1121201022100101 |
4 | 1120213320121 |
5 | 21421411100 |
6 | 2145535401 |
7 | 401316565 |
oct | 130477031 |
9 | 47638311 |
10 | 23232025 |
11 | 12128623 |
12 | 7944561 |
13 | 4a7557b |
14 | 312a6a5 |
15 | 208d86a |
hex | 1627e19 |
23232025 has 6 divisors (see below), whose sum is σ = 28807742. Its totient is φ = 18585600.
The previous prime is 23232023. The next prime is 23232037. The reversal of 23232025 is 52023232.
It can be written as a sum of positive squares in 3 ways, for example, as 163216 + 23068809 = 404^2 + 4803^2 .
It is not a de Polignac number, because 23232025 - 21 = 23232023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23231993 and 23232011.
It is not an unprimeable number, because it can be changed into a prime (23232023) 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 5 ways as a sum of consecutive naturals, for example, 464616 + ... + 464665.
Almost surely, 223232025 is an apocalyptic number.
23232025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23232025 is a deficient number, since it is larger than the sum of its proper divisors (5575717).
23232025 is an equidigital number, since it uses as much as digits as its factorization.
23232025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929291 (or 929286 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 23232025 is about 4819.9610994281. The cubic root of 23232025 is about 285.3398019406.
Adding to 23232025 its reverse (52023232), we get a palindrome (75255257).
The spelling of 23232025 in words is "twenty-three million, two hundred thirty-two thousand, twenty-five".
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