30530450 has 24 divisors (see below), whose sum is σ = 57213972. Its totient is φ = 12120320.

The previous prime is 30530449. The next prime is 30530483. The reversal of 30530450 is 5403503.

It can be written as a sum of positive squares in 6 ways, for example, as 15452761 + 15077689 = 3931^2 + 3883^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4622 + ... + 9078.

Almost surely, 2^30530450 is an apocalyptic number.

30530450 is a deficient number, since it is larger than the sum of its proper divisors (26683522).

30530450 is a wasteful number, since it uses less digits than its factorization.

30530450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30530450 is about 5525.4366343304. The cubic root of 30530450 is about 312.5439298243.

Adding to 30530450 its reverse (5403503), we get a palindrome (35933953).

The spelling of 30530450 in words is "thirty million, five hundred thirty thousand, four hundred fifty".