30280550 has 24 divisors (see below), whose sum is σ = 57699432. Its totient is φ = 11816000.

The previous prime is 30280531. The next prime is 30280561. The reversal of 30280550 is 5508203.

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 11 ways as a sum of consecutive naturals, for example, 5336 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (2404143).

Almost surely, 2^30280550 is an apocalyptic number.

30280550 is a deficient number, since it is larger than the sum of its proper divisors (27418882).

30280550 is a wasteful number, since it uses less digits than its factorization.

30280550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824 (or 14819 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 30280550 is about 5502.7765718771. The cubic root of 30280550 is about 311.6888402855.

Adding to 30280550 its reverse (5508203), we get a palindrome (35788753).

The spelling of 30280550 in words is "thirty million, two hundred eighty thousand, five hundred fifty".