Base | Representation |
---|---|
bin | 10000111000011… |
… | …001110011100111 |
3 | 201201221010110221 |
4 | 100320121303213 |
5 | 1040001034343 |
6 | 44034225211 |
7 | 10006224565 |
oct | 2070316347 |
9 | 651833427 |
10 | 283221223 |
11 | 13596432a |
12 | 7aa25207 |
13 | 468a492c |
14 | 29886a35 |
15 | 19ce75ed |
hex | 10e19ce7 |
283221223 has 8 divisors (see below), whose sum is σ = 285120000. Its totient is φ = 281329248.
The previous prime is 283221217. The next prime is 283221233. The reversal of 283221223 is 322122382.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 283221223 - 217 = 283090151 is a prime.
It is a super-2 number, since 2×2832212232 = 160428522315231458, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (283221233) 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, 101653 + ... + 104401.
It is an arithmetic number, because the mean of its divisors is an integer number (35640000).
Almost surely, 2283221223 is an apocalyptic number.
283221223 is a deficient number, since it is larger than the sum of its proper divisors (1898777).
283221223 is a wasteful number, since it uses less digits than its factorization.
283221223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3401.
The product of its digits is 2304, while the sum is 25.
The square root of 283221223 is about 16829.1777279818. The cubic root of 283221223 is about 656.7124724619.
The spelling of 283221223 in words is "two hundred eighty-three million, two hundred twenty-one thousand, two hundred twenty-three".
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