Base | Representation |
---|---|
bin | 101101011000… |
… | …0010110110001 |
3 | 1122202201011002 |
4 | 1122300112301 |
5 | 22042303100 |
6 | 2205531345 |
7 | 406135406 |
oct | 132602661 |
9 | 48681132 |
10 | 23791025 |
11 | 1247a605 |
12 | 7b73b55 |
13 | 4c0cb3b |
14 | 32342ad |
15 | 214e2d5 |
hex | 16b05b1 |
23791025 has 6 divisors (see below), whose sum is σ = 29500902. Its totient is φ = 19032800.
The previous prime is 23791013. The next prime is 23791051. The reversal of 23791025 is 52019732.
It can be written as a sum of positive squares in 3 ways, for example, as 913936 + 22877089 = 956^2 + 4783^2 .
It is a de Polignac number, because none of the positive numbers 2k-23791025 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 475796 + ... + 475845.
It is an arithmetic number, because the mean of its divisors is an integer number (4916817).
Almost surely, 223791025 is an apocalyptic number.
23791025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23791025 is a deficient number, since it is larger than the sum of its proper divisors (5709877).
23791025 is an equidigital number, since it uses as much as digits as its factorization.
23791025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 951651 (or 951646 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 23791025 is about 4877.6044325058. The cubic root of 23791025 is about 287.6102664622.
The spelling of 23791025 in words is "twenty-three million, seven hundred ninety-one thousand, twenty-five".
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