47930142 has 32 divisors (see below), whose sum is σ = 103727232. Its totient is φ = 14677344.

The previous prime is 47930131. The next prime is 47930147. The reversal of 47930142 is 24103974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47930147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16353 + ... + 19059.

It is an arithmetic number, because the mean of its divisors is an integer number (3241476).

Almost surely, 2^47930142 is an apocalyptic number.

47930142 is an abundant number, since it is smaller than the sum of its proper divisors (55797090).

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

47930142 is a wasteful number, since it uses less digits than its factorization.

47930142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 47930142 is about 6923.1598277087. The cubic root of 47930142 is about 363.2477268412.

The spelling of 47930142 in words is "forty-seven million, nine hundred thirty thousand, one hundred forty-two".