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89648617 = 98391199
BaseRepresentation
bin1010101011111…
…10110111101001
320020200121210011
411111332313221
5140422223432
612521251521
72136000142
oct525766751
9206617704
1089648617
1146671373
1226033ba1
131575b026
14bc98ac9
157d0c847
hex557ede9

89648617 has 4 divisors (see below), whose sum is σ = 89740800. Its totient is φ = 89556436.

The previous prime is 89648609. The next prime is 89648623. The reversal of 89648617 is 71684698.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89648617 - 23 = 89648609 is a prime.

It is a super-3 number, since 3×896486173 (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89648627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44617 + ... + 46582.

It is an arithmetic number, because the mean of its divisors is an integer number (22435200).

Almost surely, 289648617 is an apocalyptic number.

It is an amenable number.

89648617 is a deficient number, since it is larger than the sum of its proper divisors (92183).

89648617 is an equidigital number, since it uses as much as digits as its factorization.

89648617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92182.

The product of its digits is 580608, while the sum is 49.

The square root of 89648617 is about 9468.2953587222. The cubic root of 89648617 is about 447.5564956814.

The spelling of 89648617 in words is "eighty-nine million, six hundred forty-eight thousand, six hundred seventeen".

Divisors: 1 983 91199 89648617