100243300 has 18 divisors (see below), whose sum is σ = 217528178. Its totient is φ = 40097280.

The previous prime is 100243289. The next prime is 100243303. The reversal of 100243300 is 3342001.

It can be written as a sum of positive squares in 3 ways, for example, as 24344356 + 75898944 = 4934^2 + 8712^2 .

It is not an unprimeable number, because it can be changed into a prime (100243303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501117 + ... + 501316.

Almost surely, 2^100243300 is an apocalyptic number.

100243300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100243300 is an abundant number, since it is smaller than the sum of its proper divisors (117284878).

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

100243300 is a wasteful number, since it uses less digits than its factorization.

100243300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002447 (or 1002440 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 100243300 is about 10012.1576096264. The cubic root of 100243300 is about 464.5350113406.

Adding to 100243300 its reverse (3342001), we get a palindrome (103585301).

The spelling of 100243300 in words is "one hundred million, two hundred forty-three thousand, three hundred".