Base | Representation |
---|---|
bin | 11001100000000… |
… | …11111111001001 |
3 | 112220112120002000 |
4 | 30300003333021 |
5 | 414231111313 |
6 | 33121101213 |
7 | 5205224322 |
oct | 1460037711 |
9 | 486476060 |
10 | 213925833 |
11 | aa834710 |
12 | 5b787809 |
13 | 35421a44 |
14 | 205a9449 |
15 | 13baa673 |
hex | cc03fc9 |
213925833 has 16 divisors (see below), whose sum is σ = 345739200. Its totient is φ = 129651840.
The previous prime is 213925801. The next prime is 213925853. The reversal of 213925833 is 338529312.
213925833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213925833 - 25 = 213925801 is a prime.
It is not an unprimeable number, because it can be changed into a prime (213925853) 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, 359848 + ... + 360441.
It is an arithmetic number, because the mean of its divisors is an integer number (21608700).
Almost surely, 2213925833 is an apocalyptic number.
It is an amenable number.
213925833 is a deficient number, since it is larger than the sum of its proper divisors (131813367).
213925833 is a wasteful number, since it uses less digits than its factorization.
213925833 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720309 (or 720303 counting only the distinct ones).
The product of its digits is 38880, while the sum is 36.
The square root of 213925833 is about 14626.2036427776. The cubic root of 213925833 is about 598.0732946332.
It can be divided in two parts, 21392 and 5833, that added together give a square (27225 = 1652).
The spelling of 213925833 in words is "two hundred thirteen million, nine hundred twenty-five thousand, eight hundred thirty-three".
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