305214026 has 8 divisors (see below), whose sum is σ = 493038084. Its totient is φ = 140868000.

The previous prime is 305214001. The next prime is 305214031. The reversal of 305214026 is 620412503.

It can be written as a sum of positive squares in 2 ways, for example, as 259177801 + 46036225 = 16099^2 + 6785^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 305213992 and 305214010.

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 3 ways as a sum of consecutive naturals, for example, 5869475 + ... + 5869526.

Almost surely, 2^305214026 is an apocalyptic number.

305214026 is a deficient number, since it is larger than the sum of its proper divisors (187824058).

305214026 is a wasteful number, since it uses less digits than its factorization.

305214026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11739016.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 305214026 is about 17470.3756685424. The cubic root of 305214026 is about 673.2889638988.

Adding to 305214026 its reverse (620412503), we get a palindrome (925626529).

The spelling of 305214026 in words is "three hundred five million, two hundred fourteen thousand, twenty-six".