103890240 has 84 divisors (see below), whose sum is σ = 357349044. Its totient is φ = 27703296.

The previous prime is 103890239. The next prime is 103890263. The reversal of 103890240 is 42098301.

It can be written as a sum of positive squares in 2 ways, for example, as 70157376 + 33732864 = 8376^2 + 5808^2 .

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 11 ways as a sum of consecutive naturals, for example, 15157 + ... + 20916.

Almost surely, 2^103890240 is an apocalyptic number.

103890240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103890240 is an abundant number, since it is smaller than the sum of its proper divisors (253458804).

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

103890240 is a wasteful number, since it uses less digits than its factorization.

103890240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36096 (or 36083 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 103890240 is about 10192.6561798189. The cubic root of 103890240 is about 470.1014418129.

The spelling of 103890240 in words is "one hundred three million, eight hundred ninety thousand, two hundred forty".