Base | Representation |
---|---|
bin | 11001011010111… |
… | …11000110000001 |
3 | 112212021020121012 |
4 | 30231133012001 |
5 | 414043003213 |
6 | 33054410305 |
7 | 5166412244 |
oct | 1455370601 |
9 | 485236535 |
10 | 213250433 |
11 | aa413230 |
12 | 5b500995 |
13 | 352464b6 |
14 | 2047125b |
15 | 13ac54a8 |
hex | cb5f181 |
213250433 has 8 divisors (see below), whose sum is σ = 244881120. Its totient is φ = 183660480.
The previous prime is 213250403. The next prime is 213250451. The reversal of 213250433 is 334052312.
213250433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-213250433 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 213250399 and 213250408.
It is not an unprimeable number, because it can be changed into a prime (213250403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509960 + ... + 510377.
It is an arithmetic number, because the mean of its divisors is an integer number (30610140).
Almost surely, 2213250433 is an apocalyptic number.
It is an amenable number.
213250433 is a deficient number, since it is larger than the sum of its proper divisors (31630687).
213250433 is a wasteful number, since it uses less digits than its factorization.
213250433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020367.
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 213250433 is about 14603.0966921403. The cubic root of 213250433 is about 597.4432249410.
The spelling of 213250433 in words is "two hundred thirteen million, two hundred fifty thousand, four hundred thirty-three".
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