30105268 has 6 divisors (see below), whose sum is σ = 52684226. Its totient is φ = 15052632.

The previous prime is 30105209. The next prime is 30105307. The reversal of 30105268 is 86250103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18558864 + 11546404 = 4308^2 + 3398^2 .

It is a super-2 number, since 2×30105268² = 1812654322703648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3763155 + ... + 3763162.

Almost surely, 2^30105268 is an apocalyptic number.

It is an amenable number.

30105268 is a deficient number, since it is larger than the sum of its proper divisors (22578958).

30105268 is a wasteful number, since it uses less digits than its factorization.

30105268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526321 (or 7526319 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 30105268 is about 5486.8267696365. The cubic root of 30105268 is about 311.0862620554.

The spelling of 30105268 in words is "thirty million, one hundred five thousand, two hundred sixty-eight".