30848042 has 4 divisors (see below), whose sum is σ = 46272066. Its totient is φ = 15424020.

The previous prime is 30848017. The next prime is 30848053. The reversal of 30848042 is 24084803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24084803 = 59 ⋅408217.

It can be written as a sum of positive squares in only one way, i.e., 24492601 + 6355441 = 4949^2 + 2521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30847996 and 30848014.

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 as a sum of consecutive naturals, namely, 7712009 + ... + 7712012.

Almost surely, 2^30848042 is an apocalyptic number.

30848042 is a deficient number, since it is larger than the sum of its proper divisors (15424024).

30848042 is a wasteful number, since it uses less digits than its factorization.

30848042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15424023.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 30848042 is about 5554.1013674581. The cubic root of 30848042 is about 313.6239361697.

The spelling of 30848042 in words is "thirty million, eight hundred forty-eight thousand, forty-two".