30194280 has 48 divisors (see below), whose sum is σ = 98132580. Its totient is φ = 8051712.

The previous prime is 30194267. The next prime is 30194291. The reversal of 30194280 is 8249103.

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 2883204 = 5226^2 + 1698^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 41577 + ... + 42296.

Almost surely, 2^30194280 is an apocalyptic number.

30194280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30194280 is an abundant number, since it is smaller than the sum of its proper divisors (67938300).

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

30194280 is a wasteful number, since it uses less digits than its factorization.

30194280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83890 (or 83883 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 30194280 is about 5494.9322106829. The cubic root of 30194280 is about 311.3925557847.

The spelling of 30194280 in words is "thirty million, one hundred ninety-four thousand, two hundred eighty".