Base | Representation |
---|---|
bin | 1000101010110… |
… | …00001010110011 |
3 | 12001211012022202 |
4 | 10111120022303 |
5 | 122103303013 |
6 | 11114253415 |
7 | 1542022625 |
oct | 425301263 |
9 | 161735282 |
10 | 72712883 |
11 | 380542a1 |
12 | 2042726b |
13 | 120ab599 |
14 | 992ac15 |
15 | 65b4858 |
hex | 45582b3 |
72712883 has 2 divisors, whose sum is σ = 72712884. Its totient is φ = 72712882.
The previous prime is 72712879. The next prime is 72712909. The reversal of 72712883 is 38821727.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 72712883 - 22 = 72712879 is a prime.
It is a super-3 number, since 3×727128833 (a number of 25 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (72711883) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36356441 + 36356442.
It is an arithmetic number, because the mean of its divisors is an integer number (36356442).
Almost surely, 272712883 is an apocalyptic number.
72712883 is a deficient number, since it is larger than the sum of its proper divisors (1).
72712883 is an equidigital number, since it uses as much as digits as its factorization.
72712883 is an evil number, because the sum of its binary digits is even.
The product of its digits is 37632, while the sum is 38.
The square root of 72712883 is about 8527.1849399435. The cubic root of 72712883 is about 417.3852730769.
The spelling of 72712883 in words is "seventy-two million, seven hundred twelve thousand, eight hundred eighty-three".
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