Base | Representation |
---|---|
bin | 1000101011110… |
… | …10111000101100 |
3 | 12002002102101110 |
4 | 10111322320230 |
5 | 122122330314 |
6 | 11121312020 |
7 | 1543154331 |
oct | 425727054 |
9 | 162072343 |
10 | 72855084 |
11 | 38141115 |
12 | 20495610 |
13 | 1212b223 |
14 | 9966988 |
15 | 65e1a59 |
hex | 457ae2c |
72855084 has 48 divisors (see below), whose sum is σ = 176777216. Its totient is φ = 23328000.
The previous prime is 72855067. The next prime is 72855089. The reversal of 72855084 is 48055827.
It is not an unprimeable number, because it can be changed into a prime (72855089) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55524 + ... + 56820.
Almost surely, 272855084 is an apocalyptic number.
It is an amenable number.
72855084 is an abundant number, since it is smaller than the sum of its proper divisors (103922132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72855084 is a wasteful number, since it uses less digits than its factorization.
72855084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1486 (or 1484 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 39.
The square root of 72855084 is about 8535.5189648902. The cubic root of 72855084 is about 417.6571825000.
The spelling of 72855084 in words is "seventy-two million, eight hundred fifty-five thousand, eighty-four".
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