Base | Representation |
---|---|
bin | 101111110110… |
… | …0011000000001 |
3 | 1202012110202102 |
4 | 1133230120001 |
5 | 22410213231 |
6 | 2253400145 |
7 | 423136253 |
oct | 137543001 |
9 | 52173672 |
10 | 25085441 |
11 | 13184077 |
12 | 8499055 |
13 | 5274074 |
14 | 348dcd3 |
15 | 2307acb |
hex | 17ec601 |
25085441 has 2 divisors, whose sum is σ = 25085442. Its totient is φ = 25085440.
The previous prime is 25085419. The next prime is 25085447. The reversal of 25085441 is 14458052.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19891600 + 5193841 = 4460^2 + 2279^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25085441 is a prime.
It is not a weakly prime, because it can be changed into another prime (25085447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12542720 + 12542721.
It is an arithmetic number, because the mean of its divisors is an integer number (12542721).
Almost surely, 225085441 is an apocalyptic number.
It is an amenable number.
25085441 is a deficient number, since it is larger than the sum of its proper divisors (1).
25085441 is an equidigital number, since it uses as much as digits as its factorization.
25085441 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6400, while the sum is 29.
The square root of 25085441 is about 5008.5368122836. The cubic root of 25085441 is about 292.7345030585.
The spelling of 25085441 in words is "twenty-five million, eighty-five thousand, four hundred forty-one".
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