Base | Representation |
---|---|
bin | 1000100101100… |
… | …00011100001100 |
3 | 12000112021220202 |
4 | 10102300130030 |
5 | 121414311433 |
6 | 11051433032 |
7 | 1533131645 |
oct | 422603414 |
9 | 160467822 |
10 | 72025868 |
11 | 37725112 |
12 | 20155778 |
13 | 11bca975 |
14 | 97cc6cc |
15 | 64caee8 |
hex | 44b070c |
72025868 has 12 divisors (see below), whose sum is σ = 126161112. Its totient is φ = 35979840.
The previous prime is 72025859. The next prime is 72025883. The reversal of 72025868 is 86852027.
It is a super-2 number, since 2×720258682 = 10375451322306848, which contains 22 as substring.
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, 3005 + ... + 12372.
It is an arithmetic number, because the mean of its divisors is an integer number (10513426).
Almost surely, 272025868 is an apocalyptic number.
It is an amenable number.
72025868 is a deficient number, since it is larger than the sum of its proper divisors (54135244).
72025868 is a wasteful number, since it uses less digits than its factorization.
72025868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16552 (or 16550 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 72025868 is about 8486.8055238706. The cubic root of 72025868 is about 416.0665805045.
The spelling of 72025868 in words is "seventy-two million, twenty-five thousand, eight hundred sixty-eight".
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