Base | Representation |
---|---|
bin | 101111111011… |
… | …1010100000010 |
3 | 1202021202012201 |
4 | 1133313110002 |
5 | 22413131432 |
6 | 2254343414 |
7 | 423414004 |
oct | 137672402 |
9 | 52252181 |
10 | 25130242 |
11 | 132047a5 |
12 | 84bab6a |
13 | 528b587 |
14 | 34a2374 |
15 | 2315ee7 |
hex | 17f7502 |
25130242 has 16 divisors (see below), whose sum is σ = 38973312. Its totient is φ = 12145840.
The previous prime is 25130239. The next prime is 25130257. The reversal of 25130242 is 24203152.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6192 + ... + 9412.
It is an arithmetic number, because the mean of its divisors is an integer number (2435832).
Almost surely, 225130242 is an apocalyptic number.
25130242 is a deficient number, since it is larger than the sum of its proper divisors (13843070).
25130242 is a wasteful number, since it uses less digits than its factorization.
25130242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3353.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 25130242 is about 5013.0072810639. The cubic root of 25130242 is about 292.9086678102.
Adding to 25130242 its reverse (24203152), we get a palindrome (49333394).
The spelling of 25130242 in words is "twenty-five million, one hundred thirty thousand, two hundred forty-two".
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