28542108 has 36 divisors (see below), whose sum is σ = 77473032. Its totient is φ = 8154720.

The previous prime is 28542089. The next prime is 28542131. The reversal of 28542108 is 80124582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23683 + ... + 24858.

Almost surely, 2^28542108 is an apocalyptic number.

28542108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28542108 is an abundant number, since it is smaller than the sum of its proper divisors (48930924).

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

28542108 is a wasteful number, since it uses less digits than its factorization.

28542108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48562 (or 48553 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 28542108 is about 5342.4814459201. The cubic root of 28542108 is about 305.6060974588.

The spelling of 28542108 in words is "twenty-eight million, five hundred forty-two thousand, one hundred eight".