308240056 has 16 divisors (see below), whose sum is σ = 611947440. Its totient is φ = 145054080.

The previous prime is 308240033. The next prime is 308240069. The reversal of 308240056 is 650042803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133100 + ... + 1133371.

It is an arithmetic number, because the mean of its divisors is an integer number (38246715).

Almost surely, 2^308240056 is an apocalyptic number.

It is an amenable number.

308240056 is a deficient number, since it is larger than the sum of its proper divisors (303707384).

308240056 is a wasteful number, since it uses less digits than its factorization.

308240056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266494 (or 2266490 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 308240056 is about 17556.7666727106. The cubic root of 308240056 is about 675.5067477739.

Adding to 308240056 its reverse (650042803), we get a palindrome (958282859).

The spelling of 308240056 in words is "three hundred eight million, two hundred forty thousand, fifty-six".