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82224 = 2432571
BaseRepresentation
bin10100000100110000
311011210100
4110010300
510112344
61432400
7461502
oct240460
9134710
1082224
115685a
123b700
132b56c
1421d72
1519569
hex14130

82224 has 30 divisors (see below), whose sum is σ = 230516. Its totient is φ = 27360.

The previous prime is 82223. The next prime is 82231. The reversal of 82224 is 42228.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 82197 and 82206.

It is not an unprimeable number, because it can be changed into a prime (82223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142 + ... + 429.

282224 is an apocalyptic number.

It is an amenable number.

82224 is an abundant number, since it is smaller than the sum of its proper divisors (148292).

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

82224 is a wasteful number, since it uses less digits than its factorization.

82224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 576 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 82224 is about 286.7472754884. The cubic root of 82224 is about 43.4843383968.

The spelling of 82224 in words is "eighty-two thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 571 1142 1713 2284 3426 4568 5139 6852 9136 10278 13704 20556 27408 41112 82224