Base | Representation |
---|---|
bin | 1000100101100… |
… | …00001100000100 |
3 | 12000112020111112 |
4 | 10102300030010 |
5 | 121414243321 |
6 | 11051424152 |
7 | 1533125642 |
oct | 422601404 |
9 | 160466445 |
10 | 72024836 |
11 | 37724364 |
12 | 20155058 |
13 | 11bca360 |
14 | 97cc192 |
15 | 64caa5b |
hex | 44b0304 |
72024836 has 12 divisors (see below), whose sum is σ = 135739212. Its totient is φ = 33242208.
The previous prime is 72024833. The next prime is 72024847. The reversal of 72024836 is 63842027.
It can be written as a sum of positive squares in 2 ways, for example, as 21529600 + 50495236 = 4640^2 + 7106^2 .
It is not an unprimeable number, because it can be changed into a prime (72024833) 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, 692495 + ... + 692598.
It is an arithmetic number, because the mean of its divisors is an integer number (11311601).
Almost surely, 272024836 is an apocalyptic number.
It is an amenable number.
72024836 is a deficient number, since it is larger than the sum of its proper divisors (63714376).
72024836 is a wasteful number, since it uses less digits than its factorization.
72024836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1385110 (or 1385108 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 72024836 is about 8486.7447233907. The cubic root of 72024836 is about 416.0645933353.
The spelling of 72024836 in words is "seventy-two million, twenty-four thousand, eight hundred thirty-six".
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