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89318217 = 344516689
BaseRepresentation
bin1010101001011…
…10001101001001
320020001211120010
411110232031021
5140331140332
612510222133
72133122652
oct524561511
9206054503
1089318217
114646610a
1225ab4949
1315673821
14bc10529
157c949cc
hex552e349

89318217 has 8 divisors (see below), whose sum is σ = 119135520. Its totient is φ = 59523200.

The previous prime is 89318191. The next prime is 89318227. The reversal of 89318217 is 71281398.

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

It is a cyclic number.

It is not a de Polignac number, because 89318217 - 218 = 89056073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89318227) 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 7 ways as a sum of consecutive naturals, for example, 10009 + ... + 16697.

It is an arithmetic number, because the mean of its divisors is an integer number (14891940).

Almost surely, 289318217 is an apocalyptic number.

It is an amenable number.

89318217 is a deficient number, since it is larger than the sum of its proper divisors (29817303).

89318217 is a wasteful number, since it uses less digits than its factorization.

89318217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143.

The product of its digits is 24192, while the sum is 39.

The square root of 89318217 is about 9450.8315507155. The cubic root of 89318217 is about 447.0059956455.

It can be divided in two parts, 893 and 18217, that added together give a triangular number (19110 = T195).

The spelling of 89318217 in words is "eighty-nine million, three hundred eighteen thousand, two hundred seventeen".

Divisors: 1 3 4451 6689 13353 20067 29772739 89318217