Base | Representation |
---|---|
bin | 1001110111101… |
… | …11010010000001 |
3 | 12202210202201002 |
4 | 10323313102001 |
5 | 132144124133 |
6 | 12114421345 |
7 | 2023542434 |
oct | 473672201 |
9 | 182722632 |
10 | 82801793 |
11 | 42815238 |
12 | 23891855 |
13 | 14201759 |
14 | add581b |
15 | 7408ce8 |
hex | 4ef7481 |
82801793 has 2 divisors, whose sum is σ = 82801794. Its totient is φ = 82801792.
The previous prime is 82801787. The next prime is 82801799. The reversal of 82801793 is 39710828.
It is a balanced prime because it is at equal distance from previous prime (82801787) and next prime (82801799).
It can be written as a sum of positive squares in only one way, i.e., 60964864 + 21836929 = 7808^2 + 4673^2 .
It is a cyclic number.
It is not a de Polignac number, because 82801793 - 26 = 82801729 is a prime.
It is a super-2 number, since 2×828017932 = 13712273848029698, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (82801799) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41400896 + 41400897.
It is an arithmetic number, because the mean of its divisors is an integer number (41400897).
Almost surely, 282801793 is an apocalyptic number.
It is an amenable number.
82801793 is a deficient number, since it is larger than the sum of its proper divisors (1).
82801793 is an equidigital number, since it uses as much as digits as its factorization.
82801793 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 82801793 is about 9099.5490547609. The cubic root of 82801793 is about 435.8595643011.
The spelling of 82801793 in words is "eighty-two million, eight hundred one thousand, seven hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •