Base | Representation |
---|---|
bin | 101110101000… |
… | …001100001011 |
3 | 212000000010201 |
4 | 232220030023 |
5 | 11112120433 |
6 | 1113553031 |
7 | 205616164 |
oct | 56501413 |
9 | 25000121 |
10 | 12223243 |
11 | 699955a |
12 | 4115777 |
13 | 26bc7b6 |
14 | 18a276b |
15 | 1116a7d |
hex | ba830b |
12223243 has 8 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 11870760.
The previous prime is 12223199. The next prime is 12223271. The reversal of 12223243 is 34232221.
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 12223243 - 29 = 12222731 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12223243.
It is not an unprimeable number, because it can be changed into a prime (12223273) 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, 5598 + ... + 7468.
It is an arithmetic number, because the mean of its divisors is an integer number (1572480).
Almost surely, 212223243 is an apocalyptic number.
12223243 is a deficient number, since it is larger than the sum of its proper divisors (356597).
12223243 is a wasteful number, since it uses less digits than its factorization.
12223243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2057.
The product of its digits is 576, while the sum is 19.
The square root of 12223243 is about 3496.1754818659. The cubic root of 12223243 is about 230.3538535550.
Adding to 12223243 its reverse (34232221), we get a palindrome (46455464).
It can be divided in two parts, 1222 and 3243, that added together give a triangular number (4465 = T94).
The spelling of 12223243 in words is "twelve million, two hundred twenty-three thousand, two hundred forty-three".
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