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90489119 = 712927017
BaseRepresentation
bin1010110010011…
…00000100011111
320022021022201212
411121030010133
5141131122434
612551255035
72146100450
oct531140437
9208238655
1090489119
11470958a6
122637a47b
1315993776
14c037127
157e268ce
hex564c11f

90489119 has 4 divisors (see below), whose sum is σ = 103416144. Its totient is φ = 77562096.

The previous prime is 90489103. The next prime is 90489127. The reversal of 90489119 is 91198409.

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

It is a cyclic number.

It is not a de Polignac number, because 90489119 - 24 = 90489103 is a prime.

It is a super-2 number, since 2×904891192 = 16376561314792322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90489149) 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, 6463502 + ... + 6463515.

It is an arithmetic number, because the mean of its divisors is an integer number (25854036).

Almost surely, 290489119 is an apocalyptic number.

90489119 is a deficient number, since it is larger than the sum of its proper divisors (12927025).

90489119 is a wasteful number, since it uses less digits than its factorization.

90489119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12927024.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 90489119 is about 9512.5768853660. The cubic root of 90489119 is about 448.9508381152.

The spelling of 90489119 in words is "ninety million, four hundred eighty-nine thousand, one hundred nineteen".

Divisors: 1 7 12927017 90489119