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82043 = 136311
BaseRepresentation
bin10100000001111011
311011112122
4110001323
510111133
61431455
7461123
oct240173
9134478
1082043
1156705
123b58b
132b460
1421c83
1519498
hex1407b

82043 has 4 divisors (see below), whose sum is σ = 88368. Its totient is φ = 75720.

The previous prime is 82039. The next prime is 82051. The reversal of 82043 is 34028.

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 82043 - 22 = 82039 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (82003) 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, 3143 + ... + 3168.

It is an arithmetic number, because the mean of its divisors is an integer number (22092).

282043 is an apocalyptic number.

82043 is a deficient number, since it is larger than the sum of its proper divisors (6325).

82043 is a wasteful number, since it uses less digits than its factorization.

82043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6324.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 82043 is about 286.4314926819. The cubic root of 82043 is about 43.4524075430.

The spelling of 82043 in words is "eighty-two thousand, forty-three".

Divisors: 1 13 6311 82043