302428280 has 128 divisors (see below), whose sum is σ = 855360000. Its totient is φ = 93488640.

The previous prime is 302428271. The next prime is 302428289. The reversal of 302428280 is 82824203.

302428280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (302428271) and next prime (302428289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302428289) 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 31 ways as a sum of consecutive naturals, for example, 458591 + ... + 459249.

It is an arithmetic number, because the mean of its divisors is an integer number (6682500).

Almost surely, 2^302428280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302428280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427680000).

302428280 is an abundant number, since it is smaller than the sum of its proper divisors (552931720).

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

302428280 is a wasteful number, since it uses less digits than its factorization.

302428280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 302428280 is about 17390.4652036684. The cubic root of 302428280 is about 671.2342882231.

The spelling of 302428280 in words is "three hundred two million, four hundred twenty-eight thousand, two hundred eighty".