Base | Representation |
---|---|
bin | 1000101011010… |
… | …11001011100110 |
3 | 12001222011011000 |
4 | 10111223023212 |
5 | 122113301013 |
6 | 11120054130 |
7 | 1542465645 |
oct | 425531346 |
9 | 161864130 |
10 | 72790758 |
11 | 380a7857 |
12 | 20464346 |
13 | 12107b71 |
14 | 994b35c |
15 | 65cc973 |
hex | 456b2e6 |
72790758 has 64 divisors (see below), whose sum is σ = 166348800. Its totient is φ = 23587200.
The previous prime is 72790741. The next prime is 72790763. The reversal of 72790758 is 85709727.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481983 + ... + 482133.
It is an arithmetic number, because the mean of its divisors is an integer number (2599200).
Almost surely, 272790758 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72790758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83174400).
72790758 is an abundant number, since it is smaller than the sum of its proper divisors (93558042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72790758 is a wasteful number, since it uses less digits than its factorization.
72790758 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354 (or 348 counting only the distinct ones).
The product of its (nonzero) digits is 246960, while the sum is 45.
The square root of 72790758 is about 8531.7499963372. The cubic root of 72790758 is about 417.5342255041.
The spelling of 72790758 in words is "seventy-two million, seven hundred ninety thousand, seven hundred fifty-eight".
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