100243210 has 16 divisors (see below), whose sum is σ = 180556776. Its totient is φ = 40070848.

The previous prime is 100243201. The next prime is 100243217. The reversal of 100243210 is 12342001.

It can be written as a sum of positive squares in 4 ways, for example, as 42133081 + 58110129 = 6491^2 + 7623^2 .

It is a super-2 number, since 2×100243210² = 20097402302208200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100243217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21444 + ... + 25696.

Almost surely, 2^100243210 is an apocalyptic number.

100243210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100243210 is a deficient number, since it is larger than the sum of its proper divisors (80313566).

100243210 is a wasteful number, since it uses less digits than its factorization.

100243210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100243210 is about 10012.1531150897. The cubic root of 100243210 is about 464.5348723183.

Adding to 100243210 its reverse (12342001), we get a palindrome (112585211).

The spelling of 100243210 in words is "one hundred million, two hundred forty-three thousand, two hundred ten".