Base | Representation |
---|---|
bin | 11111000001000110011101 |
3 | 120022002121011 |
4 | 133001012131 |
5 | 4040142343 |
6 | 450135221 |
7 | 126053314 |
oct | 37010635 |
9 | 16262534 |
10 | 8130973 |
11 | 4653a14 |
12 | 2881511 |
13 | 18b8c36 |
14 | 111927b |
15 | aa929d |
hex | 7c119d |
8130973 has 2 divisors, whose sum is σ = 8130974. Its totient is φ = 8130972.
The previous prime is 8130949. The next prime is 8130977. The reversal of 8130973 is 3790318.
8130973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8054244 + 76729 = 2838^2 + 277^2 .
It is a cyclic number.
It is not a de Polignac number, because 8130973 - 213 = 8122781 is a prime.
It is a super-2 number, since 2×81309732 = 132225443853458, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8130977) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065486 + 4065487.
It is an arithmetic number, because the mean of its divisors is an integer number (4065487).
Almost surely, 28130973 is an apocalyptic number.
It is an amenable number.
8130973 is a deficient number, since it is larger than the sum of its proper divisors (1).
8130973 is an equidigital number, since it uses as much as digits as its factorization.
8130973 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 8130973 is about 2851.4861037712. The cubic root of 8130973 is about 201.0855390318.
The spelling of 8130973 in words is "eight million, one hundred thirty thousand, nine hundred seventy-three".
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