Base | Representation |
---|---|
bin | 11111001000001111000101 |
3 | 120100120200112 |
4 | 133020033011 |
5 | 4042111242 |
6 | 450522405 |
7 | 126234443 |
oct | 37101705 |
9 | 16316615 |
10 | 8160197 |
11 | 4673971 |
12 | 2896405 |
13 | 18c9326 |
14 | 1125b93 |
15 | ab2c82 |
hex | 7c83c5 |
8160197 has 2 divisors, whose sum is σ = 8160198. Its totient is φ = 8160196.
The previous prime is 8160181. The next prime is 8160199. The reversal of 8160197 is 7910618.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5013121 + 3147076 = 2239^2 + 1774^2 .
It is a cyclic number.
It is not a de Polignac number, because 8160197 - 24 = 8160181 is a prime.
Together with 8160199, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8160199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080098 + 4080099.
It is an arithmetic number, because the mean of its divisors is an integer number (4080099).
Almost surely, 28160197 is an apocalyptic number.
It is an amenable number.
8160197 is a deficient number, since it is larger than the sum of its proper divisors (1).
8160197 is an equidigital number, since it uses as much as digits as its factorization.
8160197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 32.
The square root of 8160197 is about 2856.6058531061. The cubic root of 8160197 is about 201.3261620352.
The spelling of 8160197 in words is "eight million, one hundred sixty thousand, one hundred ninety-seven".
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