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82028283 = 3163167747
BaseRepresentation
bin1001110001110…
…10011011111011
312201100110122120
410320322123323
5131444401113
612050052323
72014141341
oct470723373
9181313576
1082028283
1142337077
122357a0a3
1313cc065c
14ac73991
157304a23
hex4e3a6fb

82028283 has 8 divisors (see below), whose sum is σ = 110042688. Its totient is φ = 54349704.

The previous prime is 82028267. The next prime is 82028291. The reversal of 82028283 is 38282028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82028283 - 24 = 82028267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82028203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83385 + ... + 84362.

It is an arithmetic number, because the mean of its divisors is an integer number (13755336).

Almost surely, 282028283 is an apocalyptic number.

82028283 is a deficient number, since it is larger than the sum of its proper divisors (28014405).

82028283 is a wasteful number, since it uses less digits than its factorization.

82028283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167913.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 82028283 is about 9056.9466709261. The cubic root of 82028283 is about 434.4980920100.

The spelling of 82028283 in words is "eighty-two million, twenty-eight thousand, two hundred eighty-three".

Divisors: 1 3 163 489 167747 503241 27342761 82028283