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8282809 is a prime number
BaseRepresentation
bin11111100110001010111001
3120120210212201
4133212022321
54110022214
6453310201
7130255063
oct37461271
916523781
108282809
114747aa7
122935361
131940092
141158733
15ad9274
hex7e62b9

8282809 has 2 divisors, whose sum is σ = 8282810. Its totient is φ = 8282808.

The previous prime is 8282773. The next prime is 8282821. The reversal of 8282809 is 9082828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 1795600 = 2547^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 8282809 - 29 = 8282297 is a prime.

It is a Chen prime.

8282809 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8283809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4141404 + 4141405.

It is an arithmetic number, because the mean of its divisors is an integer number (4141405).

Almost surely, 28282809 is an apocalyptic number.

It is an amenable number.

8282809 is a deficient number, since it is larger than the sum of its proper divisors (1).

8282809 is an equidigital number, since it uses as much as digits as its factorization.

8282809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 8282809 is about 2877.9869700886. The cubic root of 8282809 is about 202.3295033926.

The spelling of 8282809 in words is "eight million, two hundred eighty-two thousand, eight hundred nine".