305890130 has 32 divisors (see below), whose sum is σ = 677666304. Its totient is φ = 96808896.

The previous prime is 305890127. The next prime is 305890141. The reversal of 305890130 is 31098503.

305890130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 305890093 and 305890102.

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 15 ways as a sum of consecutive naturals, for example, 167162 + ... + 168981.

It is an arithmetic number, because the mean of its divisors is an integer number (21177072).

Almost surely, 2^305890130 is an apocalyptic number.

305890130 is an abundant number, since it is smaller than the sum of its proper divisors (371776174).

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

305890130 is a wasteful number, since it uses less digits than its factorization.

305890130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336170.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 305890130 is about 17489.7149776662. The cubic root of 305890130 is about 673.7857493339.

The spelling of 305890130 in words is "three hundred five million, eight hundred ninety thousand, one hundred thirty".