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89258489 is a prime number
BaseRepresentation
bin1010101000111…
…11100111111001
320012221210121222
411110133213321
5140322232424
612505041425
72132453555
oct524374771
9205853558
1089258489
1146425251
1225a86275
1315652598
14bbd6865
157c81e5e
hex551f9f9

89258489 has 2 divisors, whose sum is σ = 89258490. Its totient is φ = 89258488.

The previous prime is 89258479. The next prime is 89258501. The reversal of 89258489 is 98485298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 41538025 = 6908^2 + 6445^2 .

It is a cyclic number.

It is not a de Polignac number, because 89258489 - 28 = 89258233 is a prime.

It is a super-3 number, since 3×892584893 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89258489.

It is not a weakly prime, because it can be changed into another prime (89258459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44629244 + 44629245.

It is an arithmetic number, because the mean of its divisors is an integer number (44629245).

Almost surely, 289258489 is an apocalyptic number.

It is an amenable number.

89258489 is a deficient number, since it is larger than the sum of its proper divisors (1).

89258489 is an equidigital number, since it uses as much as digits as its factorization.

89258489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 53.

The square root of 89258489 is about 9447.6710886864. The cubic root of 89258489 is about 446.9063342757.

The spelling of 89258489 in words is "eighty-nine million, two hundred fifty-eight thousand, four hundred eighty-nine".