Base | Representation |
---|---|
bin | 1000100111111… |
… | …00111001010001 |
3 | 12001010012111011 |
4 | 10103330321101 |
5 | 122004322100 |
6 | 11102250521 |
7 | 1535604643 |
oct | 423747121 |
9 | 161105434 |
10 | 72339025 |
11 | 37919420 |
12 | 20286a41 |
13 | 11caa375 |
14 | 9870893 |
15 | 653dbba |
hex | 44fce51 |
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".
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