305230 has 16 divisors (see below), whose sum is σ = 555984. Its totient is φ = 120640.

The previous prime is 305219. The next prime is 305231. The reversal of 305230 is 32503.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 305230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305231) 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, 1194 + ... + 1426.

It is an arithmetic number, because the mean of its divisors is an integer number (34749).

2³⁰⁵²³⁰ is an apocalyptic number.

305230 is a deficient number, since it is larger than the sum of its proper divisors (250754).

305230 is a wasteful number, since it uses less digits than its factorization.

305230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 305230 is about 552.4762438332. The cubic root of 305230 is about 67.3300709679.

Adding to 305230 its reverse (32503), we get a palindrome (337733).

It can be divided in two parts, 305 and 230, that added together give a palindrome (535).

The spelling of 305230 in words is "three hundred five thousand, two hundred thirty".