Base | Representation |
---|---|
bin | 110000010010… |
… | …0011100111010 |
3 | 1202122010211102 |
4 | 1200210130322 |
5 | 22440041010 |
6 | 2302331402 |
7 | 425114021 |
oct | 140443472 |
9 | 52563742 |
10 | 25315130 |
11 | 133206a5 |
12 | 8589b62 |
13 | 5324789 |
14 | 350d8b8 |
15 | 2350ba5 |
hex | 182473a |
25315130 has 32 divisors (see below), whose sum is σ = 46889280. Its totient is φ = 9836800.
The previous prime is 25315123. The next prime is 25315133. The reversal of 25315130 is 3151352.
It is not an unprimeable number, because it can be changed into a prime (25315133) 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 15 ways as a sum of consecutive naturals, for example, 62930 + ... + 63330.
It is an arithmetic number, because the mean of its divisors is an integer number (1465290).
Almost surely, 225315130 is an apocalyptic number.
25315130 is a deficient number, since it is larger than the sum of its proper divisors (21574150).
25315130 is a wasteful number, since it uses less digits than its factorization.
25315130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 574.
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 25315130 is about 5031.4143140870. The cubic root of 25315130 is about 293.6252417250.
Adding to 25315130 its reverse (3151352), we get a palindrome (28466482).
The spelling of 25315130 in words is "twenty-five million, three hundred fifteen thousand, one hundred thirty".
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