28350052 has 36 divisors (see below), whose sum is σ = 54246780. Its totient is φ = 12946752.

The previous prime is 28350017. The next prime is 28350059. The reversal of 28350052 is 25005382.

It can be written as a sum of positive squares in 2 ways, for example, as 23658496 + 4691556 = 4864^2 + 2166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28349999 and 28350026.

It is not an unprimeable number, because it can be changed into a prime (28350059) 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 11 ways as a sum of consecutive naturals, for example, 41538 + ... + 42214.

It is an arithmetic number, because the mean of its divisors is an integer number (1506855).

Almost surely, 2^28350052 is an apocalyptic number.

It is an amenable number.

28350052 is a deficient number, since it is larger than the sum of its proper divisors (25896728).

28350052 is a wasteful number, since it uses less digits than its factorization.

28350052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 28350052 is about 5324.4766879009. The cubic root of 28350052 is about 304.9190934733.

The spelling of 28350052 in words is "twenty-eight million, three hundred fifty thousand, fifty-two".