83428250 has 16 divisors (see below), whose sum is σ = 156178152. Its totient is φ = 33371200.

The previous prime is 83428237. The next prime is 83428271. The reversal of 83428250 is 5282438.

It can be written as a sum of positive squares in 4 ways, for example, as 52548001 + 30880249 = 7249^2 + 5557^2 .

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 7 ways as a sum of consecutive naturals, for example, 166607 + ... + 167106.

Almost surely, 2^83428250 is an apocalyptic number.

83428250 is a deficient number, since it is larger than the sum of its proper divisors (72749902).

83428250 is a wasteful number, since it uses less digits than its factorization.

83428250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333730 (or 333720 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 83428250 is about 9133.9066121786. The cubic root of 83428250 is about 436.9560041376.

The spelling of 83428250 in words is "eighty-three million, four hundred twenty-eight thousand, two hundred fifty".