Base | Representation |
---|---|
bin | 101111110101… |
… | …1000111100001 |
3 | 1202012012200121 |
4 | 1133223013201 |
5 | 22410032124 |
6 | 2253320241 |
7 | 423115243 |
oct | 137530741 |
9 | 52165617 |
10 | 25080289 |
11 | 13180213 |
12 | 8496081 |
13 | 5271910 |
14 | 348c093 |
15 | 23062e4 |
hex | 17eb1e1 |
25080289 has 16 divisors (see below), whose sum is σ = 27896400. Its totient is φ = 22404096.
The previous prime is 25080283. The next prime is 25080299. The reversal of 25080289 is 98208052.
It can be written as a sum of positive squares in 8 ways, for example, as 225 + 25080064 = 15^2 + 5008^2 .
It is not a de Polignac number, because 25080289 - 221 = 22983137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25080283) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61117 + ... + 61525.
It is an arithmetic number, because the mean of its divisors is an integer number (1743525).
Almost surely, 225080289 is an apocalyptic number.
It is an amenable number.
25080289 is a deficient number, since it is larger than the sum of its proper divisors (2816111).
25080289 is a wasteful number, since it uses less digits than its factorization.
25080289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 25080289 is about 5008.0224640071. The cubic root of 25080289 is about 292.7144612685.
The spelling of 25080289 in words is "twenty-five million, eighty thousand, two hundred eighty-nine".
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