102804280 has 32 divisors (see below), whose sum is σ = 234244800. Its totient is φ = 40599936.

The previous prime is 102804223. The next prime is 102804281. The reversal of 102804280 is 82408201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102804281) 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 7 ways as a sum of consecutive naturals, for example, 13107 + ... + 19426.

It is an arithmetic number, because the mean of its divisors is an integer number (7320150).

Almost surely, 2^102804280 is an apocalyptic number.

102804280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102804280 is an abundant number, since it is smaller than the sum of its proper divisors (131440520).

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

102804280 is a wasteful number, since it uses less digits than its factorization.

102804280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32623 (or 32619 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 102804280 is about 10139.2445477955. The cubic root of 102804280 is about 468.4577181159.

The spelling of 102804280 in words is "one hundred two million, eight hundred four thousand, two hundred eighty".