305174212 has 48 divisors (see below), whose sum is σ = 648974592. Its totient is φ = 122728320.

The previous prime is 305174209. The next prime is 305174231. The reversal of 305174212 is 212471503.

It is a happy number.

305174212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29662 + ... + 38602.

It is an arithmetic number, because the mean of its divisors is an integer number (13520304).

Almost surely, 2^305174212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305174212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324487296).

305174212 is an abundant number, since it is smaller than the sum of its proper divisors (343800380).

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

305174212 is a wasteful number, since it uses less digits than its factorization.

305174212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028 (or 9026 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 305174212 is about 17469.2361596035. The cubic root of 305174212 is about 673.2596866373.

The spelling of 305174212 in words is "three hundred five million, one hundred seventy-four thousand, two hundred twelve".