47531242 has 16 divisors (see below), whose sum is σ = 77969952. Its totient is φ = 21551920.

The previous prime is 47531227. The next prime is 47531243. The reversal of 47531242 is 24213574.

47531242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47531242.

It is not an unprimeable number, because it can be changed into a prime (47531243) 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, 7308 + ... + 12184.

It is an arithmetic number, because the mean of its divisors is an integer number (4873122).

Almost surely, 2^47531242 is an apocalyptic number.

47531242 is a deficient number, since it is larger than the sum of its proper divisors (30438710).

47531242 is a wasteful number, since it uses less digits than its factorization.

47531242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its digits is 6720, while the sum is 28.

The square root of 47531242 is about 6894.2905363786. The cubic root of 47531242 is about 362.2372050139.

It can be divided in two parts, 4753 and 1242, that added together give a palindrome (5995).

The spelling of 47531242 in words is "forty-seven million, five hundred thirty-one thousand, two hundred forty-two".