103493780 has 24 divisors (see below), whose sum is σ = 234055752. Its totient is φ = 38212992.

The previous prime is 103493771. The next prime is 103493801. The reversal of 103493780 is 87394301.

It can be written as a sum of positive squares in 4 ways, for example, as 10023556 + 93470224 = 3166^2 + 9668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103493780.

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 7 ways as a sum of consecutive naturals, for example, 198767 + ... + 199286.

It is an arithmetic number, because the mean of its divisors is an integer number (9752323).

Almost surely, 2^103493780 is an apocalyptic number.

103493780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103493780 is an abundant number, since it is smaller than the sum of its proper divisors (130561972).

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

103493780 is a wasteful number, since it uses less digits than its factorization.

103493780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398075 (or 398073 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 103493780 is about 10173.1892737725. The cubic root of 103493780 is about 469.5026880987.

The spelling of 103493780 in words is "one hundred three million, four hundred ninety-three thousand, seven hundred eighty".