215232104 has 16 divisors (see below), whose sum is σ = 427299300. Its totient is φ = 101285632.

The previous prime is 215232097. The next prime is 215232109. The reversal of 215232104 is 401232512.

It can be written as a sum of positive squares in 2 ways, for example, as 159012100 + 56220004 = 12610^2 + 7498^2 .

It is not an unprimeable number, because it can be changed into a prime (215232109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791159 + ... + 791430.

Almost surely, 2^215232104 is an apocalyptic number.

It is an amenable number.

215232104 is a deficient number, since it is larger than the sum of its proper divisors (212067196).

215232104 is a wasteful number, since it uses less digits than its factorization.

215232104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582612 (or 1582608 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 215232104 is about 14670.7908443955. The cubic root of 215232104 is about 599.2881409470.

Adding to 215232104 its reverse (401232512), we get a palindrome (616464616).

The spelling of 215232104 in words is "two hundred fifteen million, two hundred thirty-two thousand, one hundred four".