103947280 has 20 divisors (see below), whose sum is σ = 241677612. Its totient is φ = 41578880.

The previous prime is 103947241. The next prime is 103947289. The reversal of 103947280 is 82749301.

It can be written as a sum of positive squares in 2 ways, for example, as 14531344 + 89415936 = 3812^2 + 9456^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (103947289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649591 + ... + 649750.

Almost surely, 2^103947280 is an apocalyptic number.

103947280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103947280 is an abundant number, since it is smaller than the sum of its proper divisors (137730332).

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

103947280 is a wasteful number, since it uses less digits than its factorization.

103947280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299354 (or 1299348 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 103947280 is about 10195.4538888664. The cubic root of 103947280 is about 470.1874610588.

The spelling of 103947280 in words is "one hundred three million, nine hundred forty-seven thousand, two hundred eighty".