103504240 has 40 divisors (see below), whose sum is σ = 275027040. Its totient is φ = 35486976.

The previous prime is 103504217. The next prime is 103504243. The reversal of 103504240 is 42405301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103504243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91855 + ... + 92974.

It is an arithmetic number, because the mean of its divisors is an integer number (6875676).

Almost surely, 2^103504240 is an apocalyptic number.

103504240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103504240 is an abundant number, since it is smaller than the sum of its proper divisors (171522800).

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

103504240 is a wasteful number, since it uses less digits than its factorization.

103504240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184849 (or 184843 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 103504240 is about 10173.7033571851. The cubic root of 103504240 is about 469.5185049355.

Adding to 103504240 its reverse (42405301), we get a palindrome (145909541).

The spelling of 103504240 in words is "one hundred three million, five hundred four thousand, two hundred forty".