307680282 has 128 divisors (see below), whose sum is σ = 853009920. Its totient is φ = 81041472.

The previous prime is 307680257. The next prime is 307680287. The reversal of 307680282 is 282086703.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (307680287) 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 63 ways as a sum of consecutive naturals, for example, 397648 + ... + 398420.

It is an arithmetic number, because the mean of its divisors is an integer number (6664140).

Almost surely, 2^307680282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307680282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426504960).

307680282 is an abundant number, since it is smaller than the sum of its proper divisors (545329638).

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

307680282 is an equidigital number, since it uses as much as digits as its factorization.

307680282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 307680282 is about 17540.8175978202. The cubic root of 307680282 is about 675.0975858912.

The spelling of 307680282 in words is "three hundred seven million, six hundred eighty thousand, two hundred eighty-two".