304

304 is an even composite number with two prime factors. 304 is the sum of consecutive primes in two different ways: It is the sum of 41+43+47+53+59+61 and of 23+29+31+37+41+43+47+53. 304 is a primitive semiperfect number meaning that it is a semiperfect number that is not divisible by any other semiperfect number. 304 is an untouchable number meaning that it is not equal to the sum of any number’s proper divisors. 304 is a nontotient number meaning that it is an even number where phi(x) cannot result in that number.