Base | Representation |
---|---|
bin | 11111001000001100000001 |
3 | 120100120102021 |
4 | 133020030001 |
5 | 4042110001 |
6 | 450521441 |
7 | 126234043 |
oct | 37101401 |
9 | 16316367 |
10 | 8160001 |
11 | 4673803 |
12 | 2896281 |
13 | 18c9205 |
14 | 1125a93 |
15 | ab2ba1 |
hex | 7c8301 |
8160001 has 4 divisors (see below), whose sum is σ = 8166400. Its totient is φ = 8153604.
The previous prime is 8159993. The next prime is 8160011. The reversal of 8160001 is 1000618.
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, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 8160001 - 23 = 8159993 is a prime.
It is a Duffinian number.
8160001 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8160011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561 + ... + 4078.
It is an arithmetic number, because the mean of its divisors is an integer number (2041600).
Almost surely, 28160001 is an apocalyptic number.
It is an amenable number.
8160001 is a deficient number, since it is larger than the sum of its proper divisors (6399).
8160001 is a wasteful number, since it uses less digits than its factorization.
8160001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6398.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 8160001 is about 2856.5715464521. The cubic root of 8160001 is about 201.3245501361.
Adding to 8160001 its reverse (1000618), we get a palindrome (9160619).
The spelling of 8160001 in words is "eight million, one hundred sixty thousand, one".
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