Base | Representation |
---|---|
bin | 110000001000… |
… | …1110110001101 |
3 | 1202111021022000 |
4 | 1200101312031 |
5 | 22430121200 |
6 | 2300542513 |
7 | 424345605 |
oct | 140216615 |
9 | 52437260 |
10 | 25238925 |
11 | 13279418 |
12 | 8551a39 |
13 | 52c8b9a |
14 | 34cdc05 |
15 | 2338300 |
hex | 1811d8d |
25238925 has 48 divisors (see below), whose sum is σ = 46872000. Its totient is φ = 13314240.
The previous prime is 25238923. The next prime is 25238951. The reversal of 25238925 is 52983252.
25238925 is a `hidden beast` number, since 252 + 389 + 25 = 666.
It is not a de Polignac number, because 25238925 - 21 = 25238923 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 25238925.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25238923) 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 47 ways as a sum of consecutive naturals, for example, 93691 + ... + 93959.
It is an arithmetic number, because the mean of its divisors is an integer number (976500).
Almost surely, 225238925 is an apocalyptic number.
25238925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25238925 is a deficient number, since it is larger than the sum of its proper divisors (21633075).
25238925 is a wasteful number, since it uses less digits than its factorization.
25238925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427 (or 416 counting only the distinct ones).
The product of its digits is 43200, while the sum is 36.
The square root of 25238925 is about 5023.8356860073. The cubic root of 25238925 is about 293.3303166299.
The spelling of 25238925 in words is "twenty-five million, two hundred thirty-eight thousand, nine hundred twenty-five".
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