Base | Representation |
---|---|
bin | 11001010011001… |
… | …01101011000011 |
3 | 112210100100012001 |
4 | 30221211223003 |
5 | 413312310203 |
6 | 33020444431 |
7 | 5154625603 |
oct | 1451455303 |
9 | 483310161 |
10 | 212228803 |
11 | a9885706 |
12 | 5b0a9717 |
13 | 34c79497 |
14 | 20286c03 |
15 | 1397291d |
hex | ca65ac3 |
212228803 has 8 divisors (see below), whose sum is σ = 225378000. Its totient is φ = 199277568.
The previous prime is 212228791. The next prime is 212228827. The reversal of 212228803 is 308822212.
212228803 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-212228803 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212228603) 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, 47278 + ... + 51571.
It is an arithmetic number, because the mean of its divisors is an integer number (28172250).
Almost surely, 2212228803 is an apocalyptic number.
212228803 is a deficient number, since it is larger than the sum of its proper divisors (13149197).
212228803 is a wasteful number, since it uses less digits than its factorization.
212228803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98981.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 212228803 is about 14568.0747870129. The cubic root of 212228803 is about 596.4876298068.
The spelling of 212228803 in words is "two hundred twelve million, two hundred twenty-eight thousand, eight hundred three".
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