Base | Representation |
---|---|
bin | 11001111110111100011111 |
3 | 110211001111221 |
4 | 121332330133 |
5 | 3220431143 |
6 | 401554211 |
7 | 111616243 |
oct | 31767437 |
9 | 13731457 |
10 | 6811423 |
11 | 3932583 |
12 | 2345967 |
13 | 1546438 |
14 | c94423 |
15 | 8e82ed |
hex | 67ef1f |
6811423 has 2 divisors, whose sum is σ = 6811424. Its totient is φ = 6811422.
The previous prime is 6811403. The next prime is 6811439. The reversal of 6811423 is 3241186.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6811423 is a prime.
It is equal to p464605 and since 6811423 and 464605 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6811403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405711 + 3405712.
It is an arithmetic number, because the mean of its divisors is an integer number (3405712).
Almost surely, 26811423 is an apocalyptic number.
6811423 is a deficient number, since it is larger than the sum of its proper divisors (1).
6811423 is an equidigital number, since it uses as much as digits as its factorization.
6811423 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1152, while the sum is 25.
The square root of 6811423 is about 2609.8703032910. The cubic root of 6811423 is about 189.5596728459.
The spelling of 6811423 in words is "six million, eight hundred eleven thousand, four hundred twenty-three".
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