428283530 has 8 divisors (see below), whose sum is σ = 770910372. Its totient is φ = 171313408.

The previous prime is 428283521. The next prime is 428283539. The reversal of 428283530 is 35382824.

428283530 is digitally balanced in base 6, 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 (428283521) and next prime (428283539).

It can be written as a sum of positive squares in 2 ways, for example, as 344139601 + 84143929 = 18551^2 + 9173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (428283539) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21414167 + ... + 21414186.

Almost surely, 2^428283530 is an apocalyptic number.

428283530 is a deficient number, since it is larger than the sum of its proper divisors (342626842).

428283530 is a wasteful number, since it uses less digits than its factorization.

428283530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42828360.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 428283530 is about 20695.0122010111. The cubic root of 428283530 is about 753.7785785629.

The spelling of 428283530 in words is "four hundred twenty-eight million, two hundred eighty-three thousand, five hundred thirty".