Base | Representation |
---|---|
bin | 1000101011011… |
… | …00001010000101 |
3 | 12001222100122010 |
4 | 10111230022011 |
5 | 122113413012 |
6 | 11120124433 |
7 | 1542513420 |
oct | 425541205 |
9 | 161870563 |
10 | 72794757 |
11 | 380aa862 |
12 | 20466719 |
13 | 12109929 |
14 | 994c9b7 |
15 | 65cdc3c |
hex | 456c285 |
72794757 has 16 divisors (see below), whose sum is σ = 116764160. Its totient is φ = 39407472.
The previous prime is 72794753. The next prime is 72794759. The reversal of 72794757 is 75749727.
It is not a de Polignac number, because 72794757 - 22 = 72794753 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72794753) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90823 + ... + 91620.
It is an arithmetic number, because the mean of its divisors is an integer number (7297760).
Almost surely, 272794757 is an apocalyptic number.
It is an amenable number.
72794757 is a deficient number, since it is larger than the sum of its proper divisors (43969403).
72794757 is a wasteful number, since it uses less digits than its factorization.
72794757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182472.
The product of its digits is 864360, while the sum is 48.
The square root of 72794757 is about 8531.9843530096. The cubic root of 72794757 is about 417.5418715699.
The spelling of 72794757 in words is "seventy-two million, seven hundred ninety-four thousand, seven hundred fifty-seven".
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