30480193 has 4 divisors (see below), whose sum is σ = 31304020. Its totient is φ = 29656368.

The previous prime is 30480139. The next prime is 30480217. The reversal of 30480193 is 39108403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25887744 + 4592449 = 5088^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 30480193 - 2⁹ = 30479681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30480103) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 411858 + ... + 411931.

It is an arithmetic number, because the mean of its divisors is an integer number (7826005).

Almost surely, 2^30480193 is an apocalyptic number.

It is an amenable number.

30480193 is a deficient number, since it is larger than the sum of its proper divisors (823827).

30480193 is an equidigital number, since it uses as much as digits as its factorization.

30480193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823826.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30480193 is about 5520.8869758400. The cubic root of 30480193 is about 312.3723399631.

Adding to 30480193 its reverse (39108403), we get a palindrome (69588596).

The spelling of 30480193 in words is "thirty million, four hundred eighty thousand, one hundred ninety-three".