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5801989 is a prime number
BaseRepresentation
bin10110001000100000000101
3101220202211111
4112020200011
52441130424
6324205021
7100213264
oct26104005
911822744
105801989
113303136
121b39771
131281b3b
14ab05db
15799194
hex588805

5801989 has 2 divisors, whose sum is σ = 5801990. Its totient is φ = 5801988.

The previous prime is 5801987. The next prime is 5802023. The reversal of 5801989 is 9891085.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 2030625 = 1942^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 5801989 - 21 = 5801987 is a prime.

It is a super-2 number, since 2×58019892 = 67326152712242, which contains 22 as substring.

Together with 5801987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5801987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2900994 + 2900995.

It is an arithmetic number, because the mean of its divisors is an integer number (2900995).

Almost surely, 25801989 is an apocalyptic number.

It is an amenable number.

5801989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5801989 is an equidigital number, since it uses as much as digits as its factorization.

5801989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 5801989 is about 2408.7318240103. The cubic root of 5801989 is about 179.6907137270.

The spelling of 5801989 in words is "five million, eight hundred one thousand, nine hundred eighty-nine".