Base | Representation |
---|---|
bin | 1000100101111… |
… | …01100011100110 |
3 | 12000122000121110 |
4 | 10102331203212 |
5 | 121423021330 |
6 | 11052525450 |
7 | 1533444402 |
oct | 422754346 |
9 | 160560543 |
10 | 72079590 |
11 | 37761510 |
12 | 20180886 |
13 | 11c1925b |
14 | 9804102 |
15 | 64dbdb0 |
hex | 44bd8e6 |
72079590 has 32 divisors (see below), whose sum is σ = 188718336. Its totient is φ = 17473760.
The previous prime is 72079583. The next prime is 72079627. The reversal of 72079590 is 9597027.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108882 + ... + 109541.
It is an arithmetic number, because the mean of its divisors is an integer number (5897448).
Almost surely, 272079590 is an apocalyptic number.
72079590 is an abundant number, since it is smaller than the sum of its proper divisors (116638746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72079590 is a wasteful number, since it uses less digits than its factorization.
72079590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218444.
The product of its (nonzero) digits is 39690, while the sum is 39.
The square root of 72079590 is about 8489.9699646112. The cubic root of 72079590 is about 416.1699987834.
The spelling of 72079590 in words is "seventy-two million, seventy-nine thousand, five hundred ninety".
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