243082280 has 32 divisors (see below), whose sum is σ = 625069440. Its totient is φ = 83342400.

The previous prime is 243082249. The next prime is 243082297. The reversal of 243082280 is 82280342.

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 7 ways as a sum of consecutive naturals, for example, 433796 + ... + 434355.

It is an arithmetic number, because the mean of its divisors is an integer number (19533420).

Almost surely, 2^243082280 is an apocalyptic number.

243082280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243082280 is an abundant number, since it is smaller than the sum of its proper divisors (381987160).

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

243082280 is a wasteful number, since it uses less digits than its factorization.

243082280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868169 (or 868165 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 243082280 is about 15591.0961769851. The cubic root of 243082280 is about 624.0955707771.

The spelling of 243082280 in words is "two hundred forty-three million, eighty-two thousand, two hundred eighty".