Base | Representation |
---|---|
bin | 1000101100110… |
… | …10111111101100 |
3 | 12002100002210120 |
4 | 10112122333230 |
5 | 122141032404 |
6 | 11124204540 |
7 | 1544242635 |
oct | 426327754 |
9 | 162302716 |
10 | 72986604 |
11 | 38220a09 |
12 | 20539750 |
13 | 12176052 |
14 | 999c88c |
15 | 661a9d9 |
hex | 459afec |
72986604 has 12 divisors (see below), whose sum is σ = 170302104. Its totient is φ = 24328864.
The previous prime is 72986597. The next prime is 72986647. The reversal of 72986604 is 40668927.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041097 + ... + 3041120.
It is an arithmetic number, because the mean of its divisors is an integer number (14191842).
Almost surely, 272986604 is an apocalyptic number.
It is an amenable number.
72986604 is an abundant number, since it is smaller than the sum of its proper divisors (97315500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72986604 is a wasteful number, since it uses less digits than its factorization.
72986604 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6082224 (or 6082222 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 72986604 is about 8543.2197677456. The cubic root of 72986604 is about 417.9083534953.
The spelling of 72986604 in words is "seventy-two million, nine hundred eighty-six thousand, six hundred four".
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