47941930 has 16 divisors (see below), whose sum is σ = 89271720. Its totient is φ = 18515392.

The previous prime is 47941919. The next prime is 47941931. The reversal of 47941930 is 3914974.

47941930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21409129 + 26532801 = 4627^2 + 5151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47941930.

It is not an unprimeable number, because it can be changed into a prime (47941931) 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 7 ways as a sum of consecutive naturals, for example, 82369 + ... + 82948.

Almost surely, 2^47941930 is an apocalyptic number.

47941930 is a deficient number, since it is larger than the sum of its proper divisors (41329790).

47941930 is a wasteful number, since it uses less digits than its factorization.

47941930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165353.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 47941930 is about 6924.0111207305. The cubic root of 47941930 is about 363.2775036026.

It can be divided in two parts, 4794 and 1930, that added together give a square (6724 = 82²).

The spelling of 47941930 in words is "forty-seven million, nine hundred forty-one thousand, nine hundred thirty".