Base | Representation |
---|---|
bin | 110001011101… |
… | …1101100110001 |
3 | 1210210121122021 |
4 | 1202323230301 |
5 | 23114402031 |
6 | 2323511441 |
7 | 433304125 |
oct | 142735461 |
9 | 53717567 |
10 | 25934641 |
11 | 13704097 |
12 | 8828581 |
13 | 54b0755 |
14 | 3631585 |
15 | 2424511 |
hex | 18bbb31 |
25934641 has 4 divisors (see below), whose sum is σ = 26035812. Its totient is φ = 25833472.
The previous prime is 25934611. The next prime is 25934651. The reversal of 25934641 is 14643952.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 13719616 = 3495^2 + 3704^2 .
It is a cyclic number.
It is not a de Polignac number, because 25934641 - 25 = 25934609 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25934597 and 25934606.
It is not an unprimeable number, because it can be changed into a prime (25934611) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50200 + ... + 50713.
It is an arithmetic number, because the mean of its divisors is an integer number (6508953).
Almost surely, 225934641 is an apocalyptic number.
It is an amenable number.
25934641 is a deficient number, since it is larger than the sum of its proper divisors (101171).
25934641 is a wasteful number, since it uses less digits than its factorization.
25934641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101170.
The product of its digits is 25920, while the sum is 34.
The square root of 25934641 is about 5092.6065035500. The cubic root of 25934641 is about 296.0011603619.
The spelling of 25934641 in words is "twenty-five million, nine hundred thirty-four thousand, six hundred forty-one".
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