Base | Representation |
---|---|
bin | 1000100111000… |
… | …10010010101010 |
3 | 12000220200000100 |
4 | 10103202102222 |
5 | 121442330213 |
6 | 11100050230 |
7 | 1534642155 |
oct | 423422252 |
9 | 160820010 |
10 | 72230058 |
11 | 3785456a |
12 | 20233976 |
13 | 11c6c8a4 |
14 | 9842c9c |
15 | 651b773 |
hex | 44e24aa |
72230058 has 24 divisors (see below), whose sum is σ = 164736000. Its totient is φ = 22809384.
The previous prime is 72230047. The next prime is 72230113. The reversal of 72230058 is 85003227.
It is a Curzon number.
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, 105258 + ... + 105941.
It is an arithmetic number, because the mean of its divisors is an integer number (6864000).
Almost surely, 272230058 is an apocalyptic number.
72230058 is an abundant number, since it is smaller than the sum of its proper divisors (92505942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72230058 is a wasteful number, since it uses less digits than its factorization.
72230058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211226 (or 211223 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 72230058 is about 8498.8268602202. The cubic root of 72230058 is about 416.4593860383.
The spelling of 72230058 in words is "seventy-two million, two hundred thirty thousand, fifty-eight".
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