100380260 has 24 divisors (see below), whose sum is σ = 216497400. Its totient is φ = 39066624.

The previous prime is 100380253. The next prime is 100380277. The reversal of 100380260 is 62083001.

It can be written as a sum of positive squares in 4 ways, for example, as 61716736 + 38663524 = 7856^2 + 6218^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67085 + ... + 68564.

It is an arithmetic number, because the mean of its divisors is an integer number (9020725).

Almost surely, 2^100380260 is an apocalyptic number.

100380260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100380260 is an abundant number, since it is smaller than the sum of its proper divisors (116117140).

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

100380260 is a wasteful number, since it uses less digits than its factorization.

100380260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135695 (or 135693 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 100380260 is about 10018.9949595755. The cubic root of 100380260 is about 464.7464760528.

The spelling of 100380260 in words is "one hundred million, three hundred eighty thousand, two hundred sixty".