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23082725 = 52923309
BaseRepresentation
bin101100000001…
…1011011100101
31121102201112202
41120003123211
521402121400
62142424245
7400125401
oct130033345
947381482
1023082725
1112036436
127892085
134a22623
1430cc101
15205e4d5
hex16036e5

23082725 has 6 divisors (see below), whose sum is σ = 28622610. Its totient is φ = 18466160.

The previous prime is 23082707. The next prime is 23082727. The reversal of 23082725 is 52728032.

It can be written as a sum of positive squares in 3 ways, for example, as 33124 + 23049601 = 182^2 + 4801^2 .

It is not a de Polignac number, because 23082725 - 28 = 23082469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23082727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461630 + ... + 461679.

It is an arithmetic number, because the mean of its divisors is an integer number (4770435).

Almost surely, 223082725 is an apocalyptic number.

23082725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23082725 is a deficient number, since it is larger than the sum of its proper divisors (5539885).

23082725 is an equidigital number, since it uses as much as digits as its factorization.

23082725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923319 (or 923314 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 23082725 is about 4804.4484595008. The cubic root of 23082725 is about 284.7272449463.

The spelling of 23082725 in words is "twenty-three million, eighty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 923309 4616545 23082725