28545950 has 12 divisors (see below), whose sum is σ = 53095560. Its totient is φ = 11418360.

The previous prime is 28545943. The next prime is 28545971. The reversal of 28545950 is 5954582.

It is a super-2 number, since 2×28545950² = 1629742522805000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285410 + ... + 285509.

It is an arithmetic number, because the mean of its divisors is an integer number (4424630).

Almost surely, 2^28545950 is an apocalyptic number.

28545950 is a deficient number, since it is larger than the sum of its proper divisors (24549610).

28545950 is a wasteful number, since it uses less digits than its factorization.

28545950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570931 (or 570926 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 28545950 is about 5342.8410045593. The cubic root of 28545950 is about 305.6198091995.

The spelling of 28545950 in words is "twenty-eight million, five hundred forty-five thousand, nine hundred fifty".