30053140 has 24 divisors (see below), whose sum is σ = 67966920. Its totient is φ = 11096448.

The previous prime is 30053137. The next prime is 30053143. The reversal of 30053140 is 4135003.

It is an interprime number because it is at equal distance from previous prime (30053137) and next prime (30053143).

It can be written as a sum of positive squares in 4 ways, for example, as 3489424 + 26563716 = 1868^2 + 5154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30053143) 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 7 ways as a sum of consecutive naturals, for example, 57535 + ... + 58054.

It is an arithmetic number, because the mean of its divisors is an integer number (2831955).

Almost surely, 2^30053140 is an apocalyptic number.

It is an amenable number.

30053140 is an abundant number, since it is smaller than the sum of its proper divisors (37913780).

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

30053140 is a wasteful number, since it uses less digits than its factorization.

30053140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115611 (or 115609 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30053140 is about 5482.0744248870. The cubic root of 30053140 is about 310.9066071932.

Adding to 30053140 its reverse (4135003), we get a palindrome (34188143).

The spelling of 30053140 in words is "thirty million, fifty-three thousand, one hundred forty".