Base | Representation |
---|---|
bin | 101110101000… |
… | …010110010111 |
3 | 212000001000212 |
4 | 232220112113 |
5 | 11112131040 |
6 | 1114000035 |
7 | 205621115 |
oct | 56502627 |
9 | 25001025 |
10 | 12223895 |
11 | 6999aa2 |
12 | 411601b |
13 | 26bcb98 |
14 | 18a2ab5 |
15 | 1116d65 |
hex | ba8597 |
12223895 has 8 divisors (see below), whose sum is σ = 14699040. Its totient is φ = 9758880.
The previous prime is 12223891. The next prime is 12223909. The reversal of 12223895 is 59832221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12223895 - 22 = 12223891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12223891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446 + ... + 4964.
It is an arithmetic number, because the mean of its divisors is an integer number (1837380).
Almost surely, 212223895 is an apocalyptic number.
12223895 is a deficient number, since it is larger than the sum of its proper divisors (2475145).
12223895 is an equidigital number, since it uses as much as digits as its factorization.
12223895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5065.
The product of its digits is 8640, while the sum is 32.
The square root of 12223895 is about 3496.2687253699. The cubic root of 12223895 is about 230.3579492505.
The spelling of 12223895 in words is "twelve million, two hundred twenty-three thousand, eight hundred ninety-five".
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