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89909611 = 1165312517
BaseRepresentation
bin1010101101111…
…10100101101011
320021011212210121
411112332211223
5141004101421
612531024111
72141135101
oct526764553
9207155717
1089909611
114682a470
122613b037
131581ca6c
14bd25c71
157d5ed41
hex55be96b

89909611 has 8 divisors (see below), whose sum is σ = 98241264. Its totient is φ = 81604320.

The previous prime is 89909609. The next prime is 89909681. The reversal of 89909611 is 11690998.

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 89909611 - 21 = 89909609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89909681) 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, 925 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (12280158).

Almost surely, 289909611 is an apocalyptic number.

89909611 is a deficient number, since it is larger than the sum of its proper divisors (8331653).

89909611 is a wasteful number, since it uses less digits than its factorization.

89909611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13181.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 89909611 is about 9482.0678651864. The cubic root of 89909611 is about 447.9903985905.

The spelling of 89909611 in words is "eighty-nine million, nine hundred nine thousand, six hundred eleven".

Divisors: 1 11 653 7183 12517 137687 8173601 89909611