103415240 has 16 divisors (see below), whose sum is σ = 232684380. Its totient is φ = 41366080.

The previous prime is 103415239. The next prime is 103415293. The reversal of 103415240 is 42514301.

It can be written as a sum of positive squares in 2 ways, for example, as 103266244 + 148996 = 10162^2 + 386^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292651 + ... + 1292730.

Almost surely, 2^103415240 is an apocalyptic number.

103415240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103415240 is an abundant number, since it is smaller than the sum of its proper divisors (129269140).

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

103415240 is a wasteful number, since it uses less digits than its factorization.

103415240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585392 (or 2585388 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 103415240 is about 10169.3283947368. The cubic root of 103415240 is about 469.3838916745.

Adding to 103415240 its reverse (42514301), we get a palindrome (145929541).

The spelling of 103415240 in words is "one hundred three million, four hundred fifteen thousand, two hundred forty".