30118050 has 144 divisors (see below), whose sum is σ = 89137152. Its totient is φ = 7257600.

The previous prime is 30118031. The next prime is 30118051. The reversal of 30118050 is 5081103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30118051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 237087 + ... + 237213.

It is an arithmetic number, because the mean of its divisors is an integer number (619008).

Almost surely, 2^30118050 is an apocalyptic number.

30118050 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 30118050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44568576).

30118050 is an abundant number, since it is smaller than the sum of its proper divisors (59019102).

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

30118050 is a wasteful number, since it uses less digits than its factorization.

30118050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 30118050 is about 5487.9914358534. The cubic root of 30118050 is about 311.1302825015.

Adding to 30118050 its reverse (5081103), we get a palindrome (35199153).

The spelling of 30118050 in words is "thirty million, one hundred eighteen thousand, fifty".