Base | Representation |
---|---|
bin | 11001101000101… |
… | …11011111110011 |
3 | 112222122220001221 |
4 | 30310113133303 |
5 | 420023214243 |
6 | 33201205511 |
7 | 5220634351 |
oct | 1464273763 |
9 | 488586057 |
10 | 215054323 |
11 | 100435550 |
12 | 60030897 |
13 | 357285a3 |
14 | 207c07d1 |
15 | 13d2ebed |
hex | cd177f3 |
215054323 has 16 divisors (see below), whose sum is σ = 241862400. Its totient is φ = 189496800.
The previous prime is 215054299. The next prime is 215054339. The reversal of 215054323 is 323450512.
It is a cyclic number.
It is not a de Polignac number, because 215054323 - 213 = 215046131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (215054383) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125728 + ... + 127426.
It is an arithmetic number, because the mean of its divisors is an integer number (15116400).
Almost surely, 2215054323 is an apocalyptic number.
215054323 is a deficient number, since it is larger than the sum of its proper divisors (26808077).
215054323 is a wasteful number, since it uses less digits than its factorization.
215054323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2058.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 215054323 is about 14664.7305805460. The cubic root of 215054323 is about 599.1230921602.
The spelling of 215054323 in words is "two hundred fifteen million, fifty-four thousand, three hundred twenty-three".
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