Base | Representation |
---|---|
bin | 11000101110001110101011 |
3 | 110012021000001 |
4 | 120232032223 |
5 | 3124341221 |
6 | 350523431 |
7 | 106041331 |
oct | 30561653 |
9 | 13167001 |
10 | 6480811 |
11 | 3727147 |
12 | 2206577 |
13 | 145bacc |
14 | c09b51 |
15 | 880391 |
hex | 62e3ab |
6480811 has 2 divisors, whose sum is σ = 6480812. Its totient is φ = 6480810.
The previous prime is 6480781. The next prime is 6480827. The reversal of 6480811 is 1180846.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 6480811 - 211 = 6478763 is a prime.
It is a super-2 number, since 2×64808112 = 84001822435442, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 6480811.
It is not a weakly prime, because it can be changed into another prime (6480011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240405 + 3240406.
It is an arithmetic number, because the mean of its divisors is an integer number (3240406).
Almost surely, 26480811 is an apocalyptic number.
6480811 is a deficient number, since it is larger than the sum of its proper divisors (1).
6480811 is an equidigital number, since it uses as much as digits as its factorization.
6480811 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 6480811 is about 2545.7437027321. The cubic root of 6480811 is about 186.4417277043.
The spelling of 6480811 in words is "six million, four hundred eighty thousand, eight hundred eleven".
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