Base | Representation |
---|---|
bin | 1000100111111… |
… | …00001001110000 |
3 | 12001010001022112 |
4 | 10103330021300 |
5 | 122004222414 |
6 | 11102224452 |
7 | 1535563040 |
oct | 423741160 |
9 | 161101275 |
10 | 72335984 |
11 | 37917106 |
12 | 20285128 |
13 | 11ca8b76 |
14 | 986d720 |
15 | 653cd3e |
hex | 44fc270 |
72335984 has 20 divisors (see below), whose sum is σ = 160172784. Its totient is φ = 31001088.
The previous prime is 72335981. The next prime is 72336001. The reversal of 72335984 is 48953327.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72335981) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322817 + ... + 323040.
Almost surely, 272335984 is an apocalyptic number.
It is an amenable number.
72335984 is an abundant number, since it is smaller than the sum of its proper divisors (87836800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72335984 is a wasteful number, since it uses less digits than its factorization.
72335984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645872 (or 645866 counting only the distinct ones).
The product of its digits is 181440, while the sum is 41.
The square root of 72335984 is about 8505.0563784140. The cubic root of 72335984 is about 416.6628670231.
The spelling of 72335984 in words is "seventy-two million, three hundred thirty-five thousand, nine hundred eighty-four".
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