30005194 has 16 divisors (see below), whose sum is σ = 46307016. Its totient is φ = 14572800.

The previous prime is 30005191. The next prime is 30005197. The reversal of 30005194 is 49150003.

It is an interprime number because it is at equal distance from previous prime (30005191) and next prime (30005197).

It can be written as a sum of positive squares in 4 ways, for example, as 20475625 + 9529569 = 4525^2 + 3087^2 .

It is not an unprimeable number, because it can be changed into a prime (30005191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22054 + ... + 23374.

Almost surely, 2^30005194 is an apocalyptic number.

30005194 is a deficient number, since it is larger than the sum of its proper divisors (16301822).

30005194 is a wasteful number, since it uses less digits than its factorization.

30005194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 30005194 is about 5477.6996996915. The cubic root of 30005194 is about 310.7411817446.

Adding to 30005194 its reverse (49150003), we get a palindrome (79155197).

The spelling of 30005194 in words is "thirty million, five thousand, one hundred ninety-four".