Base | Representation |
---|---|
bin | 110000010010… |
… | …0011100001110 |
3 | 1202122010202210 |
4 | 1200210130032 |
5 | 22440040321 |
6 | 2302331250 |
7 | 425113626 |
oct | 140443416 |
9 | 52563683 |
10 | 25315086 |
11 | 13320665 |
12 | 8589b26 |
13 | 5324754 |
14 | 350d886 |
15 | 2350b76 |
hex | 182470e |
25315086 has 32 divisors (see below), whose sum is σ = 53120160. Its totient is φ = 8031744.
The previous prime is 25315063. The next prime is 25315117. The reversal of 25315086 is 68051352.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11706 + ... + 13698.
It is an arithmetic number, because the mean of its divisors is an integer number (1660005).
Almost surely, 225315086 is an apocalyptic number.
25315086 is an abundant number, since it is smaller than the sum of its proper divisors (27805074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25315086 is a wasteful number, since it uses less digits than its factorization.
25315086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2100.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 25315086 is about 5031.4099415571. The cubic root of 25315086 is about 293.6250716091.
Adding to 25315086 its product of nonzero digits (7200), we get a triangular number (25322286 = T7116).
The spelling of 25315086 in words is "twenty-five million, three hundred fifteen thousand, eighty-six".
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