30509080 has 32 divisors (see below), whose sum is σ = 78452640. Its totient is φ = 10460160.

The previous prime is 30509051. The next prime is 30509093. The reversal of 30509080 is 8090503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54201 + ... + 54760.

It is an arithmetic number, because the mean of its divisors is an integer number (2451645).

Almost surely, 2^30509080 is an apocalyptic number.

It is an amenable number.

30509080 is an abundant number, since it is smaller than the sum of its proper divisors (47943560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30509080 is a wasteful number, since it uses less digits than its factorization.

30509080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108979 (or 108975 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 30509080 is about 5523.5025119936. The cubic root of 30509080 is about 312.4709903738.

Adding to 30509080 its reverse (8090503), we get a palindrome (38599583).

The spelling of 30509080 in words is "thirty million, five hundred nine thousand, eighty".