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89056281 = 3199149173
BaseRepresentation
bin1010100111011…
…10010000011001
320012120112020210
411103232100121
5140244300111
612500441333
72130652206
oct523562031
9205515223
1089056281
11462a7336
12259a9249
13155b1532
14bb82cad
157c420a6
hex54ee419

89056281 has 8 divisors (see below), whose sum is σ = 119339200. Its totient is φ = 59072112.

The previous prime is 89056243. The next prime is 89056301. The reversal of 89056281 is 18265098.

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

It is not a de Polignac number, because 89056281 - 27 = 89056153 is a prime.

It is a super-2 number, since 2×890562812 = 15862042371101922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89056181) 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, 73990 + ... + 75183.

It is an arithmetic number, because the mean of its divisors is an integer number (14917400).

Almost surely, 289056281 is an apocalyptic number.

It is an amenable number.

89056281 is a deficient number, since it is larger than the sum of its proper divisors (30282919).

89056281 is a wasteful number, since it uses less digits than its factorization.

89056281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149375.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 89056281 is about 9436.9635476672. The cubic root of 89056281 is about 446.5686022063.

The spelling of 89056281 in words is "eighty-nine million, fifty-six thousand, two hundred eighty-one".

Divisors: 1 3 199 597 149173 447519 29685427 89056281