215014500 has 120 divisors (see below), whose sum is σ = 701620920. Its totient is φ = 57326400.

The previous prime is 215014489. The next prime is 215014517. The reversal of 215014500 is 5410512.

215014500 is a `hidden beast` number, since 2 + 150 + 14 + 500 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 63872064 + 151142436 = 7992^2 + 12294^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 37846 + ... + 43154.

It is an arithmetic number, because the mean of its divisors is an integer number (5846841).

Almost surely, 2^215014500 is an apocalyptic number.

215014500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215014500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350810460).

215014500 is an abundant number, since it is smaller than the sum of its proper divisors (486606420).

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

215014500 is a wasteful number, since it uses less digits than its factorization.

215014500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340 (or 5319 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 215014500 is about 14663.3727361750. The cubic root of 215014500 is about 599.0861087113.

The spelling of 215014500 in words is "two hundred fifteen million, fourteen thousand, five hundred".