30105246 has 16 divisors (see below), whose sum is σ = 61611264. Its totient is φ = 9801624.

The previous prime is 30105209. The next prime is 30105307. The reversal of 30105246 is 64250103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58086 + ... + 58601.

It is an arithmetic number, because the mean of its divisors is an integer number (3850704).

Almost surely, 2^30105246 is an apocalyptic number.

30105246 is an abundant number, since it is smaller than the sum of its proper divisors (31506018).

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

30105246 is a wasteful number, since it uses less digits than its factorization.

30105246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116735.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30105246 is about 5486.8247648344. The cubic root of 30105246 is about 311.0861862779.

Adding to 30105246 its reverse (64250103), we get a palindrome (94355349).

It can be divided in two parts, 3010 and 5246, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 30105246 in words is "thirty million, one hundred five thousand, two hundred forty-six".