103290240 has 128 divisors (see below), whose sum is σ = 343699200. Its totient is φ = 26335232.

The previous prime is 103290223. The next prime is 103290337. The reversal of 103290240 is 42092301.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42991 + ... + 45329.

It is an arithmetic number, because the mean of its divisors is an integer number (2685150).

Almost surely, 2^103290240 is an apocalyptic number.

103290240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103290240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171849600).

103290240 is an abundant number, since it is smaller than the sum of its proper divisors (240408960).

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

103290240 is a wasteful number, since it uses less digits than its factorization.

103290240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 103290240 is about 10163.1806045155. The cubic root of 103290240 is about 469.1946976316.

The spelling of 103290240 in words is "one hundred three million, two hundred ninety thousand, two hundred forty".