47311216 has 30 divisors (see below), whose sum is σ = 96755712. Its totient is φ = 22407840.

The previous prime is 47311213. The next prime is 47311217. The reversal of 47311216 is 61211374.

47311216 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 not an unprimeable number, because it can be changed into a prime (47311213) 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 5 ways as a sum of consecutive naturals, for example, 1681 + ... + 9871.

Almost surely, 2^47311216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47311216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48377856).

47311216 is an abundant number, since it is smaller than the sum of its proper divisors (49444496).

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

47311216 is a wasteful number, since it uses less digits than its factorization.

47311216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237 (or 8212 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 47311216 is about 6878.3149099180. The cubic root of 47311216 is about 361.6773984607.

The spelling of 47311216 in words is "forty-seven million, three hundred eleven thousand, two hundred sixteen".