102280280 has 16 divisors (see below), whose sum is σ = 230130720. Its totient is φ = 40912096.

The previous prime is 102280267. The next prime is 102280291. The reversal of 102280280 is 82082201.

It is a super-2 number, since 2×102280280² = 20922511353756800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1278464 + ... + 1278543.

It is an arithmetic number, because the mean of its divisors is an integer number (14383170).

Almost surely, 2^102280280 is an apocalyptic number.

102280280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102280280 is an abundant number, since it is smaller than the sum of its proper divisors (127850440).

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

102280280 is a wasteful number, since it uses less digits than its factorization.

102280280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557018 (or 2557014 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 102280280 is about 10113.3713468853. The cubic root of 102280280 is about 467.6604423241.

The spelling of 102280280 in words is "one hundred two million, two hundred eighty thousand, two hundred eighty".