30545506 has 16 divisors (see below), whose sum is σ = 47017080. Its totient is φ = 14878080.

The previous prime is 30545503. The next prime is 30545507. The reversal of 30545506 is 60554503.

It can be written as a sum of positive squares in 4 ways, for example, as 20566225 + 9979281 = 4535^2 + 3159^2 .

It is not an unprimeable number, because it can be changed into a prime (30545503) 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 7 ways as a sum of consecutive naturals, for example, 12150 + ... + 14446.

Almost surely, 2^30545506 is an apocalyptic number.

30545506 is a deficient number, since it is larger than the sum of its proper divisors (16471574).

30545506 is a wasteful number, since it uses less digits than its factorization.

30545506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 30545506 is about 5526.7988926683. The cubic root of 30545506 is about 312.5952980822.

The spelling of 30545506 in words is "thirty million, five hundred forty-five thousand, five hundred six".