304242000 has 80 divisors (see below), whose sum is σ = 980895552. Its totient is φ = 81129600.

The previous prime is 304241983. The next prime is 304242007. The reversal of 304242000 is 242403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304242007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19354 + ... + 31353.

Almost surely, 2^304242000 is an apocalyptic number.

304242000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304242000 is an abundant number, since it is smaller than the sum of its proper divisors (676653552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304242000 is a wasteful number, since it uses less digits than its factorization.

304242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50733 (or 50717 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 304242000 is about 17442.5342195450. The cubic root of 304242000 is about 672.5734546613.

Adding to 304242000 its reverse (242403), we get a palindrome (304484403).

The spelling of 304242000 in words is "three hundred four million, two hundred forty-two thousand".