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82485 = 3351347
BaseRepresentation
bin10100001000110101
311012011000
4110020311
510114420
61433513
7462324
oct241065
9135130
1082485
1156a77
123b899
132b710
14220bb
1519690
hex14235

82485 has 32 divisors (see below), whose sum is σ = 161280. Its totient is φ = 39744.

The previous prime is 82483. The next prime is 82487. The reversal of 82485 is 58428.

It is an interprime number because it is at equal distance from previous prime (82483) and next prime (82487).

It is not a de Polignac number, because 82485 - 21 = 82483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 31 ways as a sum of consecutive naturals, for example, 1732 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (5040).

282485 is an apocalyptic number.

It is an amenable number.

82485 is a deficient number, since it is larger than the sum of its proper divisors (78795).

82485 is a wasteful number, since it uses less digits than its factorization.

82485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 68 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 82485 is about 287.2020194915. The cubic root of 82485 is about 43.5302999360.

It can be divided in two parts, 824 and 85, that added together give a palindrome (909).

The spelling of 82485 in words is "eighty-two thousand, four hundred eighty-five".

Divisors: 1 3 5 9 13 15 27 39 45 47 65 117 135 141 195 235 351 423 585 611 705 1269 1755 1833 2115 3055 5499 6345 9165 16497 27495 82485