Base | Representation |
---|---|
bin | 1000101100000… |
… | …00001100101001 |
3 | 12002010112020021 |
4 | 10112000030221 |
5 | 122124024331 |
6 | 11122000441 |
7 | 1543304632 |
oct | 426001451 |
9 | 162115207 |
10 | 72876841 |
11 | 381564a4 |
12 | 204a6121 |
13 | 121380bb |
14 | 9970889 |
15 | 65e8211 |
hex | 4580329 |
72876841 has 6 divisors (see below), whose sum is σ = 77416190. Its totient is φ = 68589696.
The previous prime is 72876827. The next prime is 72876871. The reversal of 72876841 is 14867827.
It can be written as a sum of positive squares in 3 ways, for example, as 10530025 + 62346816 = 3245^2 + 7896^2 .
It is not a de Polignac number, because 72876841 - 29 = 72876329 is a prime.
It is a super-2 number, since 2×728768412 = 10622067908278562, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72876821) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125796 + ... + 126373.
Almost surely, 272876841 is an apocalyptic number.
It is an amenable number.
72876841 is a deficient number, since it is larger than the sum of its proper divisors (4539349).
72876841 is a wasteful number, since it uses less digits than its factorization.
72876841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252203 (or 252186 counting only the distinct ones).
The product of its digits is 150528, while the sum is 43.
The square root of 72876841 is about 8536.7933675356. The cubic root of 72876841 is about 417.6987538972.
The spelling of 72876841 in words is "seventy-two million, eight hundred seventy-six thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •