30824530 has 16 divisors (see below), whose sum is σ = 60528384. Its totient is φ = 11208880.

The previous prime is 30824513. The next prime is 30824533. The reversal of 30824530 is 3542803.

It is a junction number, because it is equal to n+sod(n) for n = 30824495 and 30824504.

It is not an unprimeable number, because it can be changed into a prime (30824533) 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, 140002 + ... + 140221.

It is an arithmetic number, because the mean of its divisors is an integer number (3783024).

Almost surely, 2^30824530 is an apocalyptic number.

30824530 is a deficient number, since it is larger than the sum of its proper divisors (29703854).

30824530 is a wasteful number, since it uses less digits than its factorization.

30824530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280241.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30824530 is about 5551.9843299491. The cubic root of 30824530 is about 313.5442358091.

The spelling of 30824530 in words is "thirty million, eight hundred twenty-four thousand, five hundred thirty".