30242550 has 72 divisors (see below), whose sum is σ = 81282744. Its totient is φ = 7438080.

The previous prime is 30242549. The next prime is 30242567. The reversal of 30242550 is 5524203.

It is a super-2 number, since 2×30242550² = 1829223661005000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24754 + ... + 25946.

It is an arithmetic number, because the mean of its divisors is an integer number (1128927).

Almost surely, 2^30242550 is an apocalyptic number.

30242550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30242550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40641372).

30242550 is an abundant number, since it is smaller than the sum of its proper divisors (51040194).

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

30242550 is a wasteful number, since it uses less digits than its factorization.

30242550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30242550 is about 5499.3226855677. The cubic root of 30242550 is about 311.5584030474.

Adding to 30242550 its reverse (5524203), we get a palindrome (35766753).

The spelling of 30242550 in words is "thirty million, two hundred forty-two thousand, five hundred fifty".