30642050 has 12 divisors (see below), whose sum is σ = 56994306. Its totient is φ = 12256800.

The previous prime is 30642037. The next prime is 30642083. The reversal of 30642050 is 5024603.

It can be written as a sum of positive squares in 3 ways, for example, as 17631601 + 13010449 = 4199^2 + 3607^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 306371 + ... + 306470.

Almost surely, 2^30642050 is an apocalyptic number.

30642050 is a deficient number, since it is larger than the sum of its proper divisors (26352256).

30642050 is a wasteful number, since it uses less digits than its factorization.

30642050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612853 (or 612848 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30642050 is about 5535.5261719190. The cubic root of 30642050 is about 312.9242876752.

Adding to 30642050 its reverse (5024603), we get a palindrome (35666653).

The spelling of 30642050 in words is "thirty million, six hundred forty-two thousand, fifty".