Base | Representation |
---|---|
bin | 100111001010010010111 |
3 | 2102012020210 |
4 | 10321102113 |
5 | 312030343 |
6 | 43300503 |
7 | 13623114 |
oct | 4712227 |
9 | 2365223 |
10 | 1283223 |
11 | 7a7117 |
12 | 51a733 |
13 | 35c106 |
14 | 25590b |
15 | 1a5333 |
hex | 139497 |
1283223 has 8 divisors (see below), whose sum is σ = 1716336. Its totient is φ = 852800.
The previous prime is 1283207. The next prime is 1283237. The reversal of 1283223 is 3223821.
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 1283223 - 24 = 1283207 is a prime.
It is a super-2 number, since 2×12832232 = 3293322535458, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1283223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1283323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 1973.
It is an arithmetic number, because the mean of its divisors is an integer number (214542).
21283223 is an apocalyptic number.
1283223 is a deficient number, since it is larger than the sum of its proper divisors (433113).
1283223 is an equidigital number, since it uses as much as digits as its factorization.
1283223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1345.
The product of its digits is 576, while the sum is 21.
The square root of 1283223 is about 1132.7943326129. The cubic root of 1283223 is about 108.6677591988.
The spelling of 1283223 in words is "one million, two hundred eighty-three thousand, two hundred twenty-three".
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