30280030 has 32 divisors (see below), whose sum is σ = 59885568. Its totient is φ = 10932000.

The previous prime is 30280027. The next prime is 30280051. The reversal of 30280030 is 3008203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30279986 and 30280013.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 15699 + ... + 17521.

It is an arithmetic number, because the mean of its divisors is an integer number (1871424).

Almost surely, 2^30280030 is an apocalyptic number.

30280030 is a deficient number, since it is larger than the sum of its proper divisors (29605538).

30280030 is a wasteful number, since it uses less digits than its factorization.

30280030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30280030 is about 5502.7293227997. The cubic root of 30280030 is about 311.6870560915.

Adding to 30280030 its reverse (3008203), we get a palindrome (33288233).

The spelling of 30280030 in words is "thirty million, two hundred eighty thousand, thirty".