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89966585 = 571253427
BaseRepresentation
bin1010101110011…
…00011111111001
320021021202221202
411113030133321
5141012412320
612532143545
72141463152
oct527143771
9207252852
1089966585
1146869255
1226167bb5
131583c987
14bd3c929
157d71b75
hex55cc7f9

89966585 has 8 divisors (see below), whose sum is σ = 109480896. Its totient is φ = 70959280.

The previous prime is 89966581. The next prime is 89966603. The reversal of 89966585 is 58566998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89966585 - 22 = 89966581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89966585.

It is not an unprimeable number, because it can be changed into a prime (89966581) 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 in 7 ways as a sum of consecutive naturals, for example, 126359 + ... + 127068.

It is an arithmetic number, because the mean of its divisors is an integer number (13685112).

Almost surely, 289966585 is an apocalyptic number.

It is an amenable number.

89966585 is a deficient number, since it is larger than the sum of its proper divisors (19514311).

89966585 is a wasteful number, since it uses less digits than its factorization.

89966585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253503.

The product of its digits is 4665600, while the sum is 56.

The square root of 89966585 is about 9485.0716918746. The cubic root of 89966585 is about 448.0850062572.

The spelling of 89966585 in words is "eighty-nine million, nine hundred sixty-six thousand, five hundred eighty-five".

Divisors: 1 5 71 355 253427 1267135 17993317 89966585