305240234 has 16 divisors (see below), whose sum is σ = 494242560. Its totient is φ = 140548080.

The previous prime is 305240209. The next prime is 305240239. The reversal of 305240234 is 432042503.

It is not an unprimeable number, because it can be changed into a prime (305240239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414 + ... + 24825.

It is an arithmetic number, because the mean of its divisors is an integer number (30890160).

Almost surely, 2^305240234 is an apocalyptic number.

305240234 is a deficient number, since it is larger than the sum of its proper divisors (189002326).

305240234 is a wasteful number, since it uses less digits than its factorization.

305240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27685.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 305240234 is about 17471.1257221737. The cubic root of 305240234 is about 673.3082345860.

Adding to 305240234 its reverse (432042503), we get a palindrome (737282737).

The spelling of 305240234 in words is "three hundred five million, two hundred forty thousand, two hundred thirty-four".