30278114 has 8 divisors (see below), whose sum is σ = 45680220. Its totient is φ = 15051376.

The previous prime is 30278113. The next prime is 30278119. The reversal of 30278114 is 41187203.

It can be written as a sum of positive squares in 2 ways, for example, as 21780889 + 8497225 = 4667^2 + 2915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30278113) 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 3 ways as a sum of consecutive naturals, for example, 43409 + ... + 44100.

Almost surely, 2^30278114 is an apocalyptic number.

30278114 is a deficient number, since it is larger than the sum of its proper divisors (15402106).

30278114 is a wasteful number, since it uses less digits than its factorization.

30278114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87684.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 30278114 is about 5502.5552246206. Note that the first 3 decimals coincide. The cubic root of 30278114 is about 311.6804818467.

The spelling of 30278114 in words is "thirty million, two hundred seventy-eight thousand, one hundred fourteen".