Base | Representation |
---|---|
bin | 1000101011111… |
… | …11111000110000 |
3 | 12002010110111010 |
4 | 10111333320300 |
5 | 122124004233 |
6 | 11121550520 |
7 | 1543301133 |
oct | 425777060 |
9 | 162113433 |
10 | 72875568 |
11 | 38155547 |
12 | 204a5440 |
13 | 1213764c |
14 | 997021a |
15 | 65e7b63 |
hex | 457fe30 |
72875568 has 40 divisors (see below), whose sum is σ = 192273408. Its totient is φ = 23774272.
The previous prime is 72875563. The next prime is 72875581. The reversal of 72875568 is 86557827.
It is a super-2 number, since 2×728755682 = 10621696822645248, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (72875563) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13896 + ... + 18407.
Almost surely, 272875568 is an apocalyptic number.
It is an amenable number.
72875568 is an abundant number, since it is smaller than the sum of its proper divisors (119397840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72875568 is a wasteful number, since it uses less digits than its factorization.
72875568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32361 (or 32355 counting only the distinct ones).
The product of its digits is 940800, while the sum is 48.
The square root of 72875568 is about 8536.7188075982. The cubic root of 72875568 is about 417.6963217867.
The spelling of 72875568 in words is "seventy-two million, eight hundred seventy-five thousand, five hundred sixty-eight".
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