Base | Representation |
---|---|
bin | 110000000111… |
… | …0000001110101 |
3 | 1202110110211202 |
4 | 1200032001311 |
5 | 22424121120 |
6 | 2300342245 |
7 | 424252163 |
oct | 140160165 |
9 | 52413752 |
10 | 25223285 |
11 | 1326869a |
12 | 8544985 |
13 | 52c1a29 |
14 | 34c8233 |
15 | 2333875 |
hex | 180e075 |
25223285 has 8 divisors (see below), whose sum is σ = 30633120. Its totient is φ = 19935184.
The previous prime is 25223281. The next prime is 25223287. The reversal of 25223285 is 58232252.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25223285 - 22 = 25223281 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25223281) 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, 29975 + ... + 30804.
It is an arithmetic number, because the mean of its divisors is an integer number (3829140).
Almost surely, 225223285 is an apocalyptic number.
It is an amenable number.
25223285 is a deficient number, since it is larger than the sum of its proper divisors (5409835).
25223285 is an equidigital number, since it uses as much as digits as its factorization.
25223285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60867.
The product of its digits is 9600, while the sum is 29.
The square root of 25223285 is about 5022.2788652165. The cubic root of 25223285 is about 293.2697140209.
The spelling of 25223285 in words is "twenty-five million, two hundred twenty-three thousand, two hundred eighty-five".
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