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25538875 = 53204311
BaseRepresentation
bin110000101101…
…1000100111011
31210001111202021
41201123010323
523014221000
62311215311
7430035235
oct141330473
953044667
1025538875
111346380a
128677537
1353a257b
14356b255
15239711a
hex185b13b

25538875 has 8 divisors (see below), whose sum is σ = 31872672. Its totient is φ = 20431000.

The previous prime is 25538857. The next prime is 25538881. The reversal of 25538875 is 57883552.

It is not a de Polignac number, because 25538875 - 211 = 25536827 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 102031 + ... + 102280.

It is an arithmetic number, because the mean of its divisors is an integer number (3984084).

Almost surely, 225538875 is an apocalyptic number.

25538875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25538875 is a deficient number, since it is larger than the sum of its proper divisors (6333797).

25538875 is an equidigital number, since it uses as much as digits as its factorization.

25538875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204326 (or 204316 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 25538875 is about 5053.6002018363. The cubic root of 25538875 is about 294.4877637569.

The spelling of 25538875 in words is "twenty-five million, five hundred thirty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 204311 1021555 5107775 25538875