Base | Representation |
---|---|
bin | 1001100111100… |
… | …10101001110011 |
3 | 12121211020221122 |
4 | 10303302221303 |
5 | 131123420213 |
6 | 12001212455 |
7 | 1666550141 |
oct | 463625163 |
9 | 177736848 |
10 | 80685683 |
11 | 415aa391 |
12 | 2303112b |
13 | 13940510 |
14 | aa04591 |
15 | 713bd08 |
hex | 4cf2a73 |
80685683 has 8 divisors (see below), whose sum is σ = 87259200. Its totient is φ = 74164608.
The previous prime is 80685677. The next prime is 80685691. The reversal of 80685683 is 38658608.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80685683 - 28 = 80685427 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80687683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9878 + ... + 16091.
It is an arithmetic number, because the mean of its divisors is an integer number (10907400).
Almost surely, 280685683 is an apocalyptic number.
80685683 is a deficient number, since it is larger than the sum of its proper divisors (6573517).
80685683 is a wasteful number, since it uses less digits than its factorization.
80685683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26221.
The product of its (nonzero) digits is 276480, while the sum is 44.
The square root of 80685683 is about 8982.5209713087. The cubic root of 80685683 is about 432.1144869033.
The spelling of 80685683 in words is "eighty million, six hundred eighty-five thousand, six hundred eighty-three".
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