47142050 has 18 divisors (see below), whose sum is σ = 87774609. Its totient is φ = 18837400.

The previous prime is 47142031. The next prime is 47142077. The reversal of 47142050 is 5024174.

47142050 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 2 ways, for example, as 46199209 + 942841 = 6797^2 + 971^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4855.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 48065 + ... + 49035.

Almost surely, 2^47142050 is an apocalyptic number.

47142050 is a deficient number, since it is larger than the sum of its proper divisors (40632559).

47142050 is an frugal number, since it uses more digits than its factorization.

47142050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 47142050 is about 6866.0068453214. The cubic root of 47142050 is about 361.2458123819.

The spelling of 47142050 in words is "forty-seven million, one hundred forty-two thousand, fifty".