Base | Representation |
---|---|
bin | 110000001110… |
… | …1000111011101 |
3 | 1202120121121122 |
4 | 1200131013131 |
5 | 22433110320 |
6 | 2301540325 |
7 | 424630310 |
oct | 140350735 |
9 | 52517548 |
10 | 25285085 |
11 | 13300071 |
12 | 85746a5 |
13 | 5313bb7 |
14 | 3502977 |
15 | 2346d25 |
hex | 181d1dd |
25285085 has 8 divisors (see below), whose sum is σ = 34676736. Its totient is φ = 17338320.
The previous prime is 25285061. The next prime is 25285093. The reversal of 25285085 is 58058252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25285085 - 216 = 25219549 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 722431 = 25285085 / (2 + 5 + 2 + 8 + 5 + 0 + 8 + 5).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361181 + ... + 361250.
It is an arithmetic number, because the mean of its divisors is an integer number (4334592).
Almost surely, 225285085 is an apocalyptic number.
It is an amenable number.
25285085 is a deficient number, since it is larger than the sum of its proper divisors (9391651).
25285085 is an equidigital number, since it uses as much as digits as its factorization.
25285085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 722443.
The product of its (nonzero) digits is 32000, while the sum is 35.
The square root of 25285085 is about 5028.4276866631. The cubic root of 25285085 is about 293.5090337132.
The spelling of 25285085 in words is "twenty-five million, two hundred eighty-five thousand, eighty-five".
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