30048542 has 4 divisors (see below), whose sum is σ = 45072816. Its totient is φ = 15024270.

The previous prime is 30048527. The next prime is 30048559. The reversal of 30048542 is 24584003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24584003 = 43 ⋅571721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512134 + ... + 7512137.

It is an arithmetic number, because the mean of its divisors is an integer number (11268204).

Almost surely, 2^30048542 is an apocalyptic number.

30048542 is a deficient number, since it is larger than the sum of its proper divisors (15024274).

30048542 is a wasteful number, since it uses less digits than its factorization.

30048542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024273.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 30048542 is about 5481.6550420471. The cubic root of 30048542 is about 310.8907505972.

The spelling of 30048542 in words is "thirty million, forty-eight thousand, five hundred forty-two".