215240530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
Almost surely, 2215240530 is an apocalyptic number.
215240530 is a wasteful number, since it uses less digits than its factorization.
215240530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38801.
The square root of 215240530 is about 14671.0780108348. The cubic root of 215240530 is about 599.2959612425.
The spelling of 215240530 in words is "two hundred fifteen million, two hundred forty thousand, five hundred thirty".