Base | Representation |
---|---|
bin | 101101100110… |
… | …0011011101001 |
3 | 1122222112220100 |
4 | 1123030123221 |
5 | 22104443100 |
6 | 2212220013 |
7 | 410124603 |
oct | 133143351 |
9 | 48875810 |
10 | 23906025 |
11 | 12548a50 |
12 | 800a609 |
13 | 4c502a0 |
14 | 3264173 |
15 | 2173400 |
hex | 16cc6e9 |
23906025 has 72 divisors (see below), whose sum is σ = 50371776. Its totient is φ = 10684800.
The previous prime is 23906017. The next prime is 23906027. The reversal of 23906025 is 52060932.
It is not a de Polignac number, because 23906025 - 23 = 23906017 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23906025.
It is not an unprimeable number, because it can be changed into a prime (23906027) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31804 + ... + 32546.
It is an arithmetic number, because the mean of its divisors is an integer number (699608).
Almost surely, 223906025 is an apocalyptic number.
23906025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23906025 is an abundant number, since it is smaller than the sum of its proper divisors (26465751).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23906025 is a wasteful number, since it uses less digits than its factorization.
23906025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 783 (or 775 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 23906025 is about 4889.3787948982. The cubic root of 23906025 is about 288.0729343639.
Adding to 23906025 its reverse (52060932), we get a palindrome (75966957).
The spelling of 23906025 in words is "twenty-three million, nine hundred six thousand, twenty-five".
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