Search a number
82028 = 2220507
BaseRepresentation
bin10100000001101100
311011112002
4110001230
510111103
61431432
7461102
oct240154
9134462
1082028
11566a1
123b578
132b44b
1421c72
1519488
hex1406c

82028 has 6 divisors (see below), whose sum is σ = 143556. Its totient is φ = 41012.

The previous prime is 82021. The next prime is 82031.

It can be divided in two parts, 820 and 28, that added together give a palindrome (848).

82028 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (82021) by changing a digit.

82028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10250 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (23926).

282028 is an apocalyptic number.

It is an amenable number.

82028 is a deficient number, since it is larger than the sum of its proper divisors (61528).

82028 is a wasteful number, since it uses less digits than its factorization.

82028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20511 (or 20509 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 82028 is about 286.4053072134. The cubic root of 82028 is about 43.4497592332.

The spelling of 82028 in words is "eighty-two thousand, twenty-eight".

Divisors: 1 2 4 20507 41014 82028