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82486 = 241243
BaseRepresentation
bin10100001000110110
311012011001
4110020312
510114421
61433514
7462325
oct241066
9135131
1082486
1156a78
123b89a
132b711
14220bc
1519691
hex14236

82486 has 4 divisors (see below), whose sum is σ = 123732. Its totient is φ = 41242.

The previous prime is 82483. The next prime is 82487. The reversal of 82486 is 68428.

82486 = T233 + T234 + T235.

82486 is nontrivially palindromic in base 15.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82483) by changing a digit.

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, 20620 + ... + 20623.

It is an arithmetic number, because the mean of its divisors is an integer number (30933).

282486 is an apocalyptic number.

82486 is the 235-th centered triangular number.

82486 is a deficient number, since it is larger than the sum of its proper divisors (41246).

82486 is a wasteful number, since it uses less digits than its factorization.

82486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41245.

The product of its digits is 3072, while the sum is 28.

The square root of 82486 is about 287.2037604211. The cubic root of 82486 is about 43.5304758473.

Adding to 82486 its product of digits (3072), we get a palindrome (85558).

The spelling of 82486 in words is "eighty-two thousand, four hundred eighty-six".

Divisors: 1 2 41243 82486