47308312 has 16 divisors (see below), whose sum is σ = 89565840. Its totient is φ = 23424096.

The previous prime is 47308259. The next prime is 47308321. The reversal of 47308312 is 21380374.

47308312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 27883 + ... + 29530.

It is an arithmetic number, because the mean of its divisors is an integer number (5597865).

Almost surely, 2^47308312 is an apocalyptic number.

It is an amenable number.

47308312 is a deficient number, since it is larger than the sum of its proper divisors (42257528).

47308312 is a wasteful number, since it uses less digits than its factorization.

47308312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57522 (or 57518 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47308312 is about 6878.1038084635. The cubic root of 47308312 is about 361.6699982940.

Adding to 47308312 its reverse (21380374), we get a palindrome (68688686).

The spelling of 47308312 in words is "forty-seven million, three hundred eight thousand, three hundred twelve".