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89869361 = 175286433
BaseRepresentation
bin1010101101101…
…00110000110001
320021002211120212
411112310300301
5141001304421
612530113505
72140606541
oct526646061
9207084525
1089869361
11468021aa
122611b895
131580764a
14bd15321
157d52e5b
hex55b4c31

89869361 has 4 divisors (see below), whose sum is σ = 95155812. Its totient is φ = 84582912.

The previous prime is 89869357. The next prime is 89869363. The reversal of 89869361 is 16396898.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35331136 + 54538225 = 5944^2 + 7385^2 .

It is a cyclic number.

It is not a de Polignac number, because 89869361 - 22 = 89869357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89869363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643200 + ... + 2643233.

It is an arithmetic number, because the mean of its divisors is an integer number (23788953).

Almost surely, 289869361 is an apocalyptic number.

It is an amenable number.

89869361 is a deficient number, since it is larger than the sum of its proper divisors (5286451).

89869361 is a wasteful number, since it uses less digits than its factorization.

89869361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286450.

The product of its digits is 559872, while the sum is 50.

The square root of 89869361 is about 9479.9452002636. The cubic root of 89869361 is about 447.9235377185.

The spelling of 89869361 in words is "eighty-nine million, eight hundred sixty-nine thousand, three hundred sixty-one".

Divisors: 1 17 5286433 89869361