Base | Representation |
---|---|
bin | 101111111000… |
… | …1101100011100 |
3 | 1202020120122100 |
4 | 1133301230130 |
5 | 22411412403 |
6 | 2254045100 |
7 | 423256626 |
oct | 137615434 |
9 | 52216570 |
10 | 25107228 |
11 | 13199483 |
12 | 84a9790 |
13 | 5280c63 |
14 | 3497c16 |
15 | 230e2a3 |
hex | 17f1b1c |
25107228 has 18 divisors (see below), whose sum is σ = 63465584. Its totient is φ = 8369064.
The previous prime is 25107217. The next prime is 25107239. The reversal of 25107228 is 82270152.
It is an interprime number because it is at equal distance from previous prime (25107217) and next prime (25107239).
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 348676 + ... + 348747.
Almost surely, 225107228 is an apocalyptic number.
It is an amenable number.
25107228 is an abundant number, since it is smaller than the sum of its proper divisors (38358356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25107228 is a wasteful number, since it uses less digits than its factorization.
25107228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 697433 (or 697428 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 25107228 is about 5010.7113267479. The cubic root of 25107228 is about 292.8192263197.
The spelling of 25107228 in words is "twenty-five million, one hundred seven thousand, two hundred twenty-eight".
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