Base | Representation |
---|---|
bin | 1000101100000… |
… | …11010000010000 |
3 | 12002011011101221 |
4 | 10112003100100 |
5 | 122124424420 |
6 | 11122134424 |
7 | 1543356265 |
oct | 426032020 |
9 | 162134357 |
10 | 72889360 |
11 | 38164945 |
12 | 204b1414 |
13 | 121409cb |
14 | 997526c |
15 | 65ebcaa |
hex | 4583410 |
72889360 has 40 divisors (see below), whose sum is σ = 169917696. Its totient is φ = 29078400.
The previous prime is 72889357. The next prime is 72889373. The reversal of 72889360 is 6398827.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-3 number, since 3×728893603 (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 7 ways as a sum of consecutive naturals, for example, 36385 + ... + 38335.
Almost surely, 272889360 is an apocalyptic number.
It is an amenable number.
72889360 is an abundant number, since it is smaller than the sum of its proper divisors (97028336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72889360 is a wasteful number, since it uses less digits than its factorization.
72889360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2431 (or 2425 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 72889360 is about 8537.5265738971. The cubic root of 72889360 is about 417.7226703716.
The spelling of 72889360 in words is "seventy-two million, eight hundred eighty-nine thousand, three hundred sixty".
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