215323050 has 48 divisors (see below), whose sum is σ = 536072832. Its totient is φ = 57196800.

The previous prime is 215323019. The next prime is 215323127. The reversal of 215323050 is 50323512.

215323050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215323050² = 92728031722605000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38002 + ... + 43298.

It is an arithmetic number, because the mean of its divisors is an integer number (11168184).

Almost surely, 2^215323050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215323050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268036416).

215323050 is an abundant number, since it is smaller than the sum of its proper divisors (320749782).

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

215323050 is a wasteful number, since it uses less digits than its factorization.

215323050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 215323050 is about 14673.8900772767. The cubic root of 215323050 is about 599.3725384933.

Adding to 215323050 its reverse (50323512), we get a palindrome (265646562).

The spelling of 215323050 in words is "two hundred fifteen million, three hundred twenty-three thousand, fifty".