215030036 has 36 divisors (see below), whose sum is σ = 423688692. Its totient is φ = 94917504.

The previous prime is 215030033. The next prime is 215030069. The reversal of 215030036 is 630030512.

It can be written as a sum of positive squares in 2 ways, for example, as 10368400 + 204661636 = 3220^2 + 14306^2 .

It is a super-2 number, since 2×215030036² = 92475832764322592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215030033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23600 + ... + 31416.

Almost surely, 2^215030036 is an apocalyptic number.

215030036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

215030036 is a deficient number, since it is larger than the sum of its proper divisors (208658656).

215030036 is a wasteful number, since it uses less digits than its factorization.

215030036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880 (or 7855 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 215030036 is about 14663.9024819452. The cubic root of 215030036 is about 599.1005374709.

Adding to 215030036 its reverse (630030512), we get a palindrome (845060548).

The spelling of 215030036 in words is "two hundred fifteen million, thirty thousand, thirty-six".