303420054 has 48 divisors (see below), whose sum is σ = 725020848. Its totient is φ = 84345408.

The previous prime is 303420043. The next prime is 303420077. The reversal of 303420054 is 450024303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

303420054 is a modest number, since divided by 20054 gives 3034 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 303420054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3069 + ... + 24824.

It is an arithmetic number, because the mean of its divisors is an integer number (15104601).

Almost surely, 2^303420054 is an apocalyptic number.

303420054 is an abundant number, since it is smaller than the sum of its proper divisors (421600794).

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

303420054 is a wasteful number, since it uses less digits than its factorization.

303420054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27949 (or 27942 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 303420054 is about 17418.9567425836. The cubic root of 303420054 is about 671.9672293047.

Adding to 303420054 its reverse (450024303), we get a palindrome (753444357).

The spelling of 303420054 in words is "three hundred three million, four hundred twenty thousand, fifty-four".