Base | Representation |
---|---|
bin | 1001110010001… |
… | …00010110011101 |
3 | 12201102112100122 |
4 | 10321010112131 |
5 | 132002201033 |
6 | 12051004325 |
7 | 2014400624 |
oct | 471042635 |
9 | 181375318 |
10 | 82068893 |
11 | 42364635 |
12 | 235996a5 |
13 | 14005c9a |
14 | ac846bb |
15 | 7311a98 |
hex | 4e4459d |
82068893 has 4 divisors (see below), whose sum is σ = 82836000. Its totient is φ = 81301788.
The previous prime is 82068859. The next prime is 82068901. The reversal of 82068893 is 39886028.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-82068893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82068193) 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 3 ways as a sum of consecutive naturals, for example, 383393 + ... + 383606.
It is an arithmetic number, because the mean of its divisors is an integer number (20709000).
Almost surely, 282068893 is an apocalyptic number.
It is an amenable number.
82068893 is a deficient number, since it is larger than the sum of its proper divisors (767107).
82068893 is a wasteful number, since it uses less digits than its factorization.
82068893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 767106.
The product of its (nonzero) digits is 165888, while the sum is 44.
The square root of 82068893 is about 9059.1883190493. The cubic root of 82068893 is about 434.5697829594.
The spelling of 82068893 in words is "eighty-two million, sixty-eight thousand, eight hundred ninety-three".
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