47930215 has 8 divisors (see below), whose sum is σ = 57557808. Its totient is φ = 38316480.

The previous prime is 47930203. The next prime is 47930219. The reversal of 47930215 is 51203974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-47930215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47930219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7060 + ... + 12070.

It is an arithmetic number, because the mean of its divisors is an integer number (7194726).

Almost surely, 2^47930215 is an apocalyptic number.

47930215 is a deficient number, since it is larger than the sum of its proper divisors (9627593).

47930215 is a wasteful number, since it uses less digits than its factorization.

47930215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 47930215 is about 6923.1650998658. The cubic root of 47930215 is about 363.2479112559.

The spelling of 47930215 in words is "forty-seven million, nine hundred thirty thousand, two hundred fifteen".