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8004889 is a prime number
BaseRepresentation
bin11110100010010100011001
3120001200122101
4132202110121
54022124024
6443323401
7125016604
oct36422431
916050571
108004889
114578212
122820561
131873729
1410c533b
15a81c44
hex7a2519

8004889 has 2 divisors, whose sum is σ = 8004890. Its totient is φ = 8004888.

The previous prime is 8004877. The next prime is 8004901. The reversal of 8004889 is 9884008.

It is a balanced prime because it is at equal distance from previous prime (8004877) and next prime (8004901).

It can be written as a sum of positive squares in only one way, i.e., 7209225 + 795664 = 2685^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 8004889 - 213 = 7996697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8004869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002444 + 4002445.

It is an arithmetic number, because the mean of its divisors is an integer number (4002445).

Almost surely, 28004889 is an apocalyptic number.

It is an amenable number.

8004889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8004889 is an equidigital number, since it uses as much as digits as its factorization.

8004889 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8004889 is about 2829.2912540069. The cubic root of 8004889 is about 200.0407333701.

The spelling of 8004889 in words is "eight million, four thousand, eight hundred eighty-nine".