Base | Representation |
---|---|
bin | 1000101100000… |
… | …10110001001100 |
3 | 12002011001200022 |
4 | 10112002301030 |
5 | 122124343442 |
6 | 11122121312 |
7 | 1543350425 |
oct | 426026114 |
9 | 162131608 |
10 | 72887372 |
11 | 381633a8 |
12 | 204b0238 |
13 | 1213cb2c |
14 | 997464c |
15 | 65eb3d2 |
hex | 4582c4c |
72887372 has 12 divisors (see below), whose sum is σ = 127800456. Its totient is φ = 36372960.
The previous prime is 72887369. The next prime is 72887431. The reversal of 72887372 is 27378827.
It is a super-3 number, since 3×728873723 (a number of 25 digits) contains 333 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, 15329 + ... + 19512.
It is an arithmetic number, because the mean of its divisors is an integer number (10650038).
Almost surely, 272887372 is an apocalyptic number.
It is an amenable number.
72887372 is a deficient number, since it is larger than the sum of its proper divisors (54913084).
72887372 is a wasteful number, since it uses less digits than its factorization.
72887372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35368 (or 35366 counting only the distinct ones).
The product of its digits is 263424, while the sum is 44.
The square root of 72887372 is about 8537.4101459400. The cubic root of 72887372 is about 417.7188726513.
The spelling of 72887372 in words is "seventy-two million, eight hundred eighty-seven thousand, three hundred seventy-two".
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