Base | Representation |
---|---|
bin | 110000010101… |
… | …0000011111001 |
3 | 1202200022100100 |
4 | 1200222003321 |
5 | 22441304410 |
6 | 2303030013 |
7 | 425241012 |
oct | 140520371 |
9 | 52608310 |
10 | 25338105 |
11 | 13336991 |
12 | 859b309 |
13 | 5332080 |
14 | 3518009 |
15 | 23578c0 |
hex | 182a0f9 |
25338105 has 24 divisors (see below), whose sum is σ = 47298888. Its totient is φ = 12473856.
The previous prime is 25338097. The next prime is 25338107. The reversal of 25338105 is 50183352.
It can be written as a sum of positive squares in 4 ways, for example, as 5517801 + 19820304 = 2349^2 + 4452^2 .
It is not a de Polignac number, because 25338105 - 23 = 25338097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (25338107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21072 + ... + 22241.
It is an arithmetic number, because the mean of its divisors is an integer number (1970787).
Almost surely, 225338105 is an apocalyptic number.
It is an amenable number.
25338105 is a deficient number, since it is larger than the sum of its proper divisors (21960783).
25338105 is a wasteful number, since it uses less digits than its factorization.
25338105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43337 (or 43334 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 25338105 is about 5033.6969515457. The cubic root of 25338105 is about 293.7140423770.
The spelling of 25338105 in words is "twenty-five million, three hundred thirty-eight thousand, one hundred five".
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