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89871359 is a prime number
BaseRepresentation
bin1010101101101…
…01001111111111
320021002221022212
411112311033333
5141001340414
612530131035
72140615424
oct526651777
9207087285
1089871359
1146803756
1226120a7b
1315808526
14bd15d4b
157d5383e
hex55b53ff

89871359 has 2 divisors, whose sum is σ = 89871360. Its totient is φ = 89871358.

The previous prime is 89871323. The next prime is 89871389. The reversal of 89871359 is 95317898.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89871359 is a prime.

It is a super-2 number, since 2×898713592 = 16153722337013762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89871389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44935679 + 44935680.

It is an arithmetic number, because the mean of its divisors is an integer number (44935680).

Almost surely, 289871359 is an apocalyptic number.

89871359 is a deficient number, since it is larger than the sum of its proper divisors (1).

89871359 is an equidigital number, since it uses as much as digits as its factorization.

89871359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 89871359 is about 9480.0505800338. The cubic root of 89871359 is about 447.9268571464.

The spelling of 89871359 in words is "eighty-nine million, eight hundred seventy-one thousand, three hundred fifty-nine".