Base | Representation |
---|---|
bin | 110000101101… |
… | …1110111000101 |
3 | 1210001200011011 |
4 | 1201123313011 |
5 | 23014321320 |
6 | 2311242221 |
7 | 430050502 |
oct | 141336705 |
9 | 53050134 |
10 | 25542085 |
11 | 13466168 |
12 | 8679371 |
13 | 53a3b7a |
14 | 356c4a9 |
15 | 239805a |
hex | 185bdc5 |
25542085 has 8 divisors (see below), whose sum is σ = 30694176. Its totient is φ = 20404560.
The previous prime is 25542073. The next prime is 25542089. The reversal of 25542085 is 58024552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25542085 - 29 = 25541573 is a prime.
It is a super-2 number, since 2×255420852 = 1304796212294450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25542089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690 + ... + 7180.
It is an arithmetic number, because the mean of its divisors is an integer number (3836772).
Almost surely, 225542085 is an apocalyptic number.
It is an amenable number.
25542085 is a deficient number, since it is larger than the sum of its proper divisors (5152091).
25542085 is an equidigital number, since it uses as much as digits as its factorization.
25542085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7283.
The product of its (nonzero) digits is 16000, while the sum is 31.
The square root of 25542085 is about 5053.9177872221. The cubic root of 25542085 is about 294.5001013679.
The spelling of 25542085 in words is "twenty-five million, five hundred forty-two thousand, eighty-five".
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