Base | Representation |
---|---|
bin | 1000100101111… |
… | …01110011001100 |
3 | 12000122001222102 |
4 | 10102331303030 |
5 | 121423034323 |
6 | 11052534232 |
7 | 1533450326 |
oct | 422756314 |
9 | 160561872 |
10 | 72080588 |
11 | 37762238 |
12 | 20181378 |
13 | 11c19848 |
14 | 9804616 |
15 | 64dc328 |
hex | 44bdccc |
72080588 has 18 divisors (see below), whose sum is σ = 129652236. Its totient is φ = 35063568.
The previous prime is 72080587. The next prime is 72080609. The reversal of 72080588 is 88508027.
It is a super-2 number, since 2×720805882 = 10391222332851488, which contains 22 as substring.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (72080587) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1106 + ... + 12057.
It is an arithmetic number, because the mean of its divisors is an integer number (7202902).
Almost surely, 272080588 is an apocalyptic number.
It is an amenable number.
72080588 is a deficient number, since it is larger than the sum of its proper divisors (57571648).
72080588 is a wasteful number, since it uses less digits than its factorization.
72080588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13241 (or 13202 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 38.
The square root of 72080588 is about 8490.0287396451. The cubic root of 72080588 is about 416.1719195109.
The spelling of 72080588 in words is "seventy-two million, eighty thousand, five hundred eighty-eight".
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