30100660 has 12 divisors (see below), whose sum is σ = 63211428. Its totient is φ = 12040256.

The previous prime is 30100657. The next prime is 30100667. The reversal of 30100660 is 6600103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 22982436 = 2668^2 + 4794^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 752497 + ... + 752536.

It is an arithmetic number, because the mean of its divisors is an integer number (5267619).

Almost surely, 2^30100660 is an apocalyptic number.

It is an amenable number.

30100660 is an abundant number, since it is smaller than the sum of its proper divisors (33110768).

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

30100660 is a wasteful number, since it uses less digits than its factorization.

30100660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505042 (or 1505040 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30100660 is about 5486.4068387242. The cubic root of 30100660 is about 311.0703893224.

Adding to 30100660 its reverse (6600103), we get a palindrome (36700763).

The spelling of 30100660 in words is "thirty million, one hundred thousand, six hundred sixty".