30051140 has 24 divisors (see below), whose sum is σ = 72123072. Its totient is φ = 10303200.

The previous prime is 30051127. The next prime is 30051167. The reversal of 30051140 is 4115003.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107186 + ... + 107465.

It is an arithmetic number, because the mean of its divisors is an integer number (3005128).

Almost surely, 2^30051140 is an apocalyptic number.

It is an amenable number.

30051140 is an abundant number, since it is smaller than the sum of its proper divisors (42071932).

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

30051140 is a wasteful number, since it uses less digits than its factorization.

30051140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214667 (or 214665 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 30051140 is about 5481.8920091516. The cubic root of 30051140 is about 310.8997102210.

Adding to 30051140 its reverse (4115003), we get a palindrome (34166143).

The spelling of 30051140 in words is "thirty million, fifty-one thousand, one hundred forty".