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82020083 = 372216759
BaseRepresentation
bin1001110001110…
…00011011110011
312201100001101212
410320320123303
5131444120313
612045550335
72014105415
oct470703363
9181301355
1082020083
11423309a2
12235753ab
1313cb99c2
14ac709b5
1573023a8
hex4e386f3

82020083 has 4 divisors (see below), whose sum is σ = 84236880. Its totient is φ = 79803288.

The previous prime is 82020061. The next prime is 82020109. The reversal of 82020083 is 38002028.

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

It is a cyclic number.

It is not a de Polignac number, because 82020083 - 216 = 81954547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82026083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108343 + ... + 1108416.

It is an arithmetic number, because the mean of its divisors is an integer number (21059220).

Almost surely, 282020083 is an apocalyptic number.

82020083 is a deficient number, since it is larger than the sum of its proper divisors (2216797).

82020083 is a wasteful number, since it uses less digits than its factorization.

82020083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216796.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 82020083 is about 9056.4939684185. The cubic root of 82020083 is about 434.4836132515.

The spelling of 82020083 in words is "eighty-two million, twenty thousand, eighty-three".

Divisors: 1 37 2216759 82020083