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82176 = 283107
BaseRepresentation
bin10100000100000000
311011201120
4110010000
510112201
61432240
7461403
oct240400
9134646
1082176
1156816
123b680
132b533
1421d3a
1519536
hex14100

82176 has 36 divisors (see below), whose sum is σ = 220752. Its totient is φ = 27136.

The previous prime is 82171. The next prime is 82183. The reversal of 82176 is 67128.

It is a Harshad number since it is a multiple of its sum of digits (24).

Its product of digits (672) is a multiple of the sum of its prime divisors (112).

It is not an unprimeable number, because it can be changed into a prime (82171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (6132).

282176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110376).

82176 is an abundant number, since it is smaller than the sum of its proper divisors (138576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82176 is a wasteful number, since it uses less digits than its factorization.

82176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 112 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 82176 is about 286.6635658747. The cubic root of 82176 is about 43.4758751155.

The spelling of 82176 in words is "eighty-two thousand, one hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 107 128 192 214 256 321 384 428 642 768 856 1284 1712 2568 3424 5136 6848 10272 13696 20544 27392 41088 82176