Base | Representation |
---|---|
bin | 1000101000010… |
… | …00010010100100 |
3 | 12001012120111212 |
4 | 10110020102210 |
5 | 122012320300 |
6 | 11103250552 |
7 | 1536161012 |
oct | 424102244 |
9 | 161176455 |
10 | 72385700 |
11 | 379504a2 |
12 | 202a9a58 |
13 | 11cc569a |
14 | 98838b2 |
15 | 654c935 |
hex | 45084a4 |
72385700 has 18 divisors (see below), whose sum is σ = 157077186. Its totient is φ = 28954240.
The previous prime is 72385699. The next prime is 72385721. The reversal of 72385700 is 758327.
It can be written as a sum of positive squares in 3 ways, for example, as 2896804 + 69488896 = 1702^2 + 8336^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361829 + ... + 362028.
Almost surely, 272385700 is an apocalyptic number.
It is an amenable number.
72385700 is an abundant number, since it is smaller than the sum of its proper divisors (84691486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72385700 is a wasteful number, since it uses less digits than its factorization.
72385700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 723871 (or 723864 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 72385700 is about 8507.9786083417. The cubic root of 72385700 is about 416.7583016236.
The spelling of 72385700 in words is "seventy-two million, three hundred eighty-five thousand, seven hundred".
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