Base | Representation |
---|---|
bin | 11001101001011… |
… | …10111010010000 |
3 | 112222211202121211 |
4 | 30310232322100 |
5 | 420034301344 |
6 | 33203225504 |
7 | 5221514062 |
oct | 1464567220 |
9 | 488752554 |
10 | 215150224 |
11 | 1004a0603 |
12 | 60078294 |
13 | 35760133 |
14 | 20807732 |
15 | 13d4d334 |
hex | cd2ee90 |
215150224 has 45 divisors (see below), whose sum is σ = 442239273. Its totient is φ = 101385216.
The previous prime is 215150213. The next prime is 215150263. The reversal of 215150224 is 422051512.
The square root of 215150224 is 14668.
It is a perfect power (a square), and thus also a powerful number.
215150224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 52128400 + 163021824 = 7220^2 + 12768^2 .
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 215150195 and 215150204.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1114672 + ... + 1114864.
Almost surely, 2215150224 is an apocalyptic number.
215150224 is the 14668-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 215150224
215150224 is an abundant number, since it is smaller than the sum of its proper divisors (227089049).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215150224 is an equidigital number, since it uses as much as digits as its factorization.
215150224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432 (or 214 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The cubic root of 215150224 is about 599.2121362744.
The spelling of 215150224 in words is "two hundred fifteen million, one hundred fifty thousand, two hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •