Base | Representation |
---|---|
bin | 1000100111100… |
… | …00001010010100 |
3 | 12001000112221102 |
4 | 10103300022110 |
5 | 122001134433 |
6 | 11101205232 |
7 | 1535266613 |
oct | 423601224 |
9 | 161015842 |
10 | 72286868 |
11 | 37893215 |
12 | 20260818 |
13 | 11c8c6c4 |
14 | 985987a |
15 | 652d4e8 |
hex | 44f0294 |
72286868 has 24 divisors (see below), whose sum is σ = 134668800. Its totient is φ = 33853248.
The previous prime is 72286853. The next prime is 72286883. The reversal of 72286868 is 86868227.
It is an interprime number because it is at equal distance from previous prime (72286853) and next prime (72286883).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 12107.
It is an arithmetic number, because the mean of its divisors is an integer number (5611200).
Almost surely, 272286868 is an apocalyptic number.
It is an amenable number.
72286868 is a deficient number, since it is larger than the sum of its proper divisors (62381932).
72286868 is a wasteful number, since it uses less digits than its factorization.
72286868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10799 (or 10797 counting only the distinct ones).
The product of its digits is 516096, while the sum is 47.
The square root of 72286868 is about 8502.1684292891. The cubic root of 72286868 is about 416.5685412309.
The spelling of 72286868 in words is "seventy-two million, two hundred eighty-six thousand, eight hundred sixty-eight".
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