Base | Representation |
---|---|
bin | 11001110000100… |
… | …00111001110101 |
3 | 120001120210101212 |
4 | 30320100321311 |
5 | 420303412033 |
6 | 33235131205 |
7 | 5232420605 |
oct | 1470207165 |
9 | 501523355 |
10 | 216075893 |
11 | 100a73020 |
12 | 60443b05 |
13 | 359c5577 |
14 | 209a8c05 |
15 | 13e82748 |
hex | ce10e75 |
216075893 has 16 divisors (see below), whose sum is σ = 242792640. Its totient is φ = 190569600.
The previous prime is 216075883. The next prime is 216075911. The reversal of 216075893 is 398570612.
216075893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 216075893 - 26 = 216075829 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 216075893.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (216075883) 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, 211538 + ... + 212556.
It is an arithmetic number, because the mean of its divisors is an integer number (15174540).
Almost surely, 2216075893 is an apocalyptic number.
It is an amenable number.
216075893 is a deficient number, since it is larger than the sum of its proper divisors (26716747).
216075893 is a wasteful number, since it uses less digits than its factorization.
216075893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1588.
The product of its (nonzero) digits is 90720, while the sum is 41.
The square root of 216075893 is about 14699.5201622366. The cubic root of 216075893 is about 600.0702630678.
The spelling of 216075893 in words is "two hundred sixteen million, seventy-five thousand, eight hundred ninety-three".
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