Base | Representation |
---|---|
bin | 101111111100… |
… | …1010000011000 |
3 | 1202022011010110 |
4 | 1133321100120 |
5 | 22413410300 |
6 | 2254444320 |
7 | 423446133 |
oct | 137712030 |
9 | 52264113 |
10 | 25138200 |
11 | 1320a77a |
12 | 85036a0 |
13 | 5292099 |
14 | 34a521a |
15 | 2318550 |
hex | 17f9418 |
25138200 has 48 divisors (see below), whose sum is σ = 77930280. Its totient is φ = 6703360.
The previous prime is 25138181. The next prime is 25138247. The reversal of 25138200 is 283152.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20349 + ... + 21548.
Almost surely, 225138200 is an apocalyptic number.
25138200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25138200 is an abundant number, since it is smaller than the sum of its proper divisors (52792080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25138200 is a wasteful number, since it uses less digits than its factorization.
25138200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41916 (or 41907 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 25138200 is about 5013.8009533686. The cubic root of 25138200 is about 292.9395830341.
The spelling of 25138200 in words is "twenty-five million, one hundred thirty-eight thousand, two hundred".
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