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89659345 = 517931869
BaseRepresentation
bin1010101100000…
…01011111010001
320020201011111111
411112001133101
5140423044340
612521413321
72136043336
oct526013721
9206634444
1089659345
1146679436
122603a241
1315762b89
14bc9c98d
157d10aea
hex55817d1

89659345 has 4 divisors (see below), whose sum is σ = 107591220. Its totient is φ = 71727472.

The previous prime is 89659307. The next prime is 89659357. The reversal of 89659345 is 54395698.

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 60326289 + 29333056 = 7767^2 + 5416^2 .

It is a cyclic number.

It is not a de Polignac number, because 89659345 - 27 = 89659217 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 8965930 + ... + 8965939.

It is an arithmetic number, because the mean of its divisors is an integer number (26897805).

Almost surely, 289659345 is an apocalyptic number.

It is an amenable number.

89659345 is a deficient number, since it is larger than the sum of its proper divisors (17931875).

89659345 is a wasteful number, since it uses less digits than its factorization.

89659345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17931874.

The product of its digits is 1166400, while the sum is 49.

The square root of 89659345 is about 9468.8618640257. The cubic root of 89659345 is about 447.5743475819.

The spelling of 89659345 in words is "eighty-nine million, six hundred fifty-nine thousand, three hundred forty-five".

Divisors: 1 5 17931869 89659345