Base | Representation |
---|---|
bin | 1000100111011… |
… | …11110110000101 |
3 | 12001000111011110 |
4 | 10103233312011 |
5 | 122001114243 |
6 | 11101155233 |
7 | 1535263053 |
oct | 423576605 |
9 | 161014143 |
10 | 72285573 |
11 | 37892248 |
12 | 2025bb19 |
13 | 11c8bc39 |
14 | 98591d3 |
15 | 652ce33 |
hex | 44efd85 |
72285573 has 16 divisors (see below), whose sum is σ = 100794240. Its totient is φ = 45993024.
The previous prime is 72285571. The next prime is 72285601. The reversal of 72285573 is 37558227.
It is not a de Polignac number, because 72285573 - 21 = 72285571 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72285571) 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, 41443 + ... + 43151.
It is an arithmetic number, because the mean of its divisors is an integer number (6299640).
Almost surely, 272285573 is an apocalyptic number.
It is an amenable number.
72285573 is a deficient number, since it is larger than the sum of its proper divisors (28508667).
72285573 is a wasteful number, since it uses less digits than its factorization.
72285573 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2348.
The product of its digits is 117600, while the sum is 39.
The square root of 72285573 is about 8502.0922719058. The cubic root of 72285573 is about 416.5660536446.
The spelling of 72285573 in words is "seventy-two million, two hundred eighty-five thousand, five hundred seventy-three".
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