282731442 has 32 divisors (see below), whose sum is σ = 649162752. Its totient is φ = 80415504.

The previous prime is 282731417. The next prime is 282731447. The reversal of 282731442 is 244137282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (282731447) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5728 + ... + 24459.

It is an arithmetic number, because the mean of its divisors is an integer number (20286336).

Almost surely, 2^282731442 is an apocalyptic number.

282731442 is an abundant number, since it is smaller than the sum of its proper divisors (366431310).

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

282731442 is a wasteful number, since it uses less digits than its factorization.

282731442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30422.

The product of its digits is 21504, while the sum is 33.

The square root of 282731442 is about 16814.6198886564. The cubic root of 282731442 is about 656.3336980231. Note that the first 3 decimals are identical.

The spelling of 282731442 in words is "two hundred eighty-two million, seven hundred thirty-one thousand, four hundred forty-two".