305230004 has 6 divisors (see below), whose sum is σ = 534152514. Its totient is φ = 152615000.

The previous prime is 305229971. The next prime is 305230043. The reversal of 305230004 is 400032503.

It can be written as a sum of positive squares in only one way, i.e., 166461604 + 138768400 = 12902^2 + 11780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38153747 + ... + 38153754.

It is an arithmetic number, because the mean of its divisors is an integer number (89025419).

Almost surely, 2^305230004 is an apocalyptic number.

It is an amenable number.

305230004 is a deficient number, since it is larger than the sum of its proper divisors (228922510).

305230004 is a wasteful number, since it uses less digits than its factorization.

305230004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76307505 (or 76307503 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 305230004 is about 17470.8329509500. The cubic root of 305230004 is about 673.3007126198.

Adding to 305230004 its reverse (400032503), we get a palindrome (705262507).

The spelling of 305230004 in words is "three hundred five million, two hundred thirty thousand, four".