Base | Representation |
---|---|
bin | 1001101001101… |
… | …11110010000001 |
3 | 12122100122100200 |
4 | 10310313302001 |
5 | 131212000313 |
6 | 12011235413 |
7 | 2002136511 |
oct | 464676201 |
9 | 178318320 |
10 | 80968833 |
11 | 417830a0 |
12 | 23148b69 |
13 | 13a0c36a |
14 | aa79841 |
15 | 7195b73 |
hex | 4d37c81 |
80968833 has 12 divisors (see below), whose sum is σ = 127587408. Its totient is φ = 49071960.
The previous prime is 80968819. The next prime is 80968837. The reversal of 80968833 is 33886908.
It is not a de Polignac number, because 80968833 - 216 = 80903297 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80968837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408835 + ... + 409032.
It is an arithmetic number, because the mean of its divisors is an integer number (10632284).
Almost surely, 280968833 is an apocalyptic number.
It is an amenable number.
80968833 is a deficient number, since it is larger than the sum of its proper divisors (46618575).
80968833 is a wasteful number, since it uses less digits than its factorization.
80968833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 817884 (or 817881 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 80968833 is about 8998.2683334073. The cubic root of 80968833 is about 432.6193694145.
The spelling of 80968833 in words is "eighty million, nine hundred sixty-eight thousand, eight hundred thirty-three".
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