305140682 has 32 divisors (see below), whose sum is σ = 572313600. Its totient is φ = 118540080.

The previous prime is 305140681. The next prime is 305140691. The reversal of 305140682 is 286041503.

It is a super-2 number, since 2×305140682² = 186221671622850248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (305140681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53819 + ... + 59217.

It is an arithmetic number, because the mean of its divisors is an integer number (17884800).

Almost surely, 2^305140682 is an apocalyptic number.

305140682 is a deficient number, since it is larger than the sum of its proper divisors (267172918).

305140682 is a wasteful number, since it uses less digits than its factorization.

305140682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 305140682 is about 17468.2764461752. The cubic root of 305140682 is about 673.2350283458.

The spelling of 305140682 in words is "three hundred five million, one hundred forty thousand, six hundred eighty-two".