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72339025 = 52112311437
BaseRepresentation
bin1000100111111…
…00111001010001
312001010012111011
410103330321101
5122004322100
611102250521
71535604643
oct423747121
9161105434
1072339025
1137919420
1220286a41
1311caa375
149870893
15653dbba
hex44fce51

72339025 has 24 divisors (see below), whose sum is σ = 102118464. Its totient is φ = 50318400.

The previous prime is 72339019. The next prime is 72339041. The reversal of 72339025 is 52093327.

It is not a de Polignac number, because 72339025 - 23 = 72339017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (4254936).

Almost surely, 272339025 is an apocalyptic number.

It is an amenable number.

72339025 is a deficient number, since it is larger than the sum of its proper divisors (29779439).

72339025 is a wasteful number, since it uses less digits than its factorization.

72339025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11481 (or 11476 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 72339025 is about 8505.2351525399. The cubic root of 72339025 is about 416.6687057678.

The spelling of 72339025 in words is "seventy-two million, three hundred thirty-nine thousand, twenty-five".

Divisors: 1 5 11 23 25 55 115 253 275 575 1265 6325 11437 57185 125807 263051 285925 629035 1315255 2893561 3145175 6576275 14467805 72339025