305162030 has 16 divisors (see below), whose sum is σ = 550193040. Its totient is φ = 121864512.

The previous prime is 305162027. The next prime is 305162089. The reversal of 305162030 is 30261503.

It is a junction number, because it is equal to n+sod(n) for n = 305161993 and 305162011.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18560 + ... + 30899.

It is an arithmetic number, because the mean of its divisors is an integer number (34387065).

Almost surely, 2^305162030 is an apocalyptic number.

305162030 is a deficient number, since it is larger than the sum of its proper divisors (245031010).

305162030 is a wasteful number, since it uses less digits than its factorization.

305162030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50083.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 305162030 is about 17468.8874860421. The cubic root of 305162030 is about 673.2507280837.

The spelling of 305162030 in words is "three hundred five million, one hundred sixty-two thousand, thirty".