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8285089 is a prime number
BaseRepresentation
bin11111100110101110100001
3120120221000011
4133212232201
54110110324
6453324521
7130264531
oct37465641
916527004
108285089
11474978a
122936741
131941127
1411594c1
15ad9c94
hex7e6ba1

8285089 has 2 divisors, whose sum is σ = 8285090. Its totient is φ = 8285088.

The previous prime is 8285087. The next prime is 8285093. The reversal of 8285089 is 9805828.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7617600 + 667489 = 2760^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 8285089 - 21 = 8285087 is a prime.

Together with 8285087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8285087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4142544 + 4142545.

It is an arithmetic number, because the mean of its divisors is an integer number (4142545).

Almost surely, 28285089 is an apocalyptic number.

It is an amenable number.

8285089 is a deficient number, since it is larger than the sum of its proper divisors (1).

8285089 is an equidigital number, since it uses as much as digits as its factorization.

8285089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 8285089 is about 2878.3830530352. The cubic root of 8285089 is about 202.3480666983.

The spelling of 8285089 in words is "eight million, two hundred eighty-five thousand, eighty-nine".