Base | Representation |
---|---|
bin | 110001001001… |
… | …1001100010101 |
3 | 1210111012001020 |
4 | 1202103030111 |
5 | 23044044400 |
6 | 2320151353 |
7 | 432013323 |
oct | 142231425 |
9 | 53435036 |
10 | 25768725 |
11 | 13600474 |
12 | 8768559 |
13 | 5453088 |
14 | 35cad13 |
15 | 23e02a0 |
hex | 1893315 |
25768725 has 12 divisors (see below), whose sum is σ = 42604416. Its totient is φ = 13743280.
The previous prime is 25768723. The next prime is 25768751. The reversal of 25768725 is 52786752.
It is not a de Polignac number, because 25768725 - 21 = 25768723 is a prime.
It is a super-3 number, since 3×257687253 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25768723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171717 + ... + 171866.
It is an arithmetic number, because the mean of its divisors is an integer number (3550368).
Almost surely, 225768725 is an apocalyptic number.
25768725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25768725 is a deficient number, since it is larger than the sum of its proper divisors (16835691).
25768725 is a wasteful number, since it uses less digits than its factorization.
25768725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343596 (or 343591 counting only the distinct ones).
The product of its digits is 235200, while the sum is 42.
The square root of 25768725 is about 5076.2904763223. The cubic root of 25768725 is about 295.3685903088.
The spelling of 25768725 in words is "twenty-five million, seven hundred sixty-eight thousand, seven hundred twenty-five".
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