100304240 has 20 divisors (see below), whose sum is σ = 233207544. Its totient is φ = 40121664.

The previous prime is 100304213. The next prime is 100304279. The reversal of 100304240 is 42403001.

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

It is a congruent number.

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, 626822 + ... + 626981.

Almost surely, 2^100304240 is an apocalyptic number.

100304240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100304240 is an abundant number, since it is smaller than the sum of its proper divisors (132903304).

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

100304240 is a wasteful number, since it uses less digits than its factorization.

100304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253816 (or 1253810 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 100304240 is about 10015.2004473201. The cubic root of 100304240 is about 464.6291257903.

Adding to 100304240 its reverse (42403001), we get a palindrome (142707241).

The spelling of 100304240 in words is "one hundred million, three hundred four thousand, two hundred forty".