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82102 = 241051
BaseRepresentation
bin10100000010110110
311011121211
4110002312
510111402
61432034
7461236
oct240266
9134554
1082102
1156759
123b61a
132b4a7
1421cc6
15194d7
hex140b6

82102 has 4 divisors (see below), whose sum is σ = 123156. Its totient is φ = 41050.

The previous prime is 82073. The next prime is 82129. The reversal of 82102 is 20128.

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

It is a super-3 number, since 3×821023 = 1660284313335624, which contains 333 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

82102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20524 + ... + 20527.

It is an arithmetic number, because the mean of its divisors is an integer number (30789).

282102 is an apocalyptic number.

82102 is a deficient number, since it is larger than the sum of its proper divisors (41054).

82102 is a wasteful number, since it uses less digits than its factorization.

82102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41053.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 82102 is about 286.5344656407. The cubic root of 82102 is about 43.4628210975.

The spelling of 82102 in words is "eighty-two thousand, one hundred two".

Divisors: 1 2 41051 82102