82281300 has 36 divisors (see below), whose sum is σ = 238068096. Its totient is φ = 21941600.

The previous prime is 82281299. The next prime is 82281313. The reversal of 82281300 is 318228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136836 + ... + 137435.

Almost surely, 2^82281300 is an apocalyptic number.

It is an amenable number.

82281300 is an abundant number, since it is smaller than the sum of its proper divisors (155786796).

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

82281300 is a wasteful number, since it uses less digits than its factorization.

82281300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274288 (or 274281 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 82281300 is about 9070.9040343287. The cubic root of 82281300 is about 434.9443712719.

Adding to 82281300 its reverse (318228), we get a palindrome (82599528).

The spelling of 82281300 in words is "eighty-two million, two hundred eighty-one thousand, three hundred".