Base | Representation |
---|---|
bin | 1000100101101… |
… | …00010101100001 |
3 | 12000120002210202 |
4 | 10102310111201 |
5 | 121420314300 |
6 | 11052034545 |
7 | 1533226322 |
oct | 422642541 |
9 | 160502722 |
10 | 72041825 |
11 | 377360a9 |
12 | 20162a55 |
13 | 11c04ccb |
14 | 97d4449 |
15 | 64d0ad5 |
hex | 44b4561 |
72041825 has 12 divisors (see below), whose sum is σ = 94034160. Its totient is φ = 54599760.
The previous prime is 72041807. The next prime is 72041831. The reversal of 72041825 is 52814027.
It is not a de Polignac number, because 72041825 - 28 = 72041569 is a prime.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 75359 + ... + 76308.
It is an arithmetic number, because the mean of its divisors is an integer number (7836180).
Almost surely, 272041825 is an apocalyptic number.
It is an amenable number.
72041825 is a deficient number, since it is larger than the sum of its proper divisors (21992335).
72041825 is a wasteful number, since it uses less digits than its factorization.
72041825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151696 (or 151691 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 72041825 is about 8487.7455781851. The cubic root of 72041825 is about 416.0973041152.
The spelling of 72041825 in words is "seventy-two million, forty-one thousand, eight hundred twenty-five".
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