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108287 is a prime number
BaseRepresentation
bin11010011011111111
312111112122
4122123333
511431122
62153155
7630464
oct323377
9174478
10108287
11743a3
12527bb
133a39a
142b66b
1522142
hex1a6ff

108287 has 2 divisors, whose sum is σ = 108288. Its totient is φ = 108286.

The previous prime is 108271. The next prime is 108289. The reversal of 108287 is 782801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108287 - 24 = 108271 is a prime.

Together with 108289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108289) 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 as a sum of consecutive naturals, namely, 54143 + 54144.

It is an arithmetic number, because the mean of its divisors is an integer number (54144).

2108287 is an apocalyptic number.

108287 is a deficient number, since it is larger than the sum of its proper divisors (1).

108287 is an equidigital number, since it uses as much as digits as its factorization.

108287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 108287 is about 329.0699013887. The cubic root of 108287 is about 47.6641779608.

The spelling of 108287 in words is "one hundred eight thousand, two hundred eighty-seven".