Base | Representation |
---|---|
bin | 101111011110… |
… | …000011100010 |
3 | 212102012210020 |
4 | 233132003202 |
5 | 11141200444 |
6 | 1122414310 |
7 | 210525342 |
oct | 57360342 |
9 | 25365706 |
10 | 12443874 |
11 | 702a2a3 |
12 | 4201396 |
13 | 2769051 |
14 | 191cd22 |
15 | 115c119 |
hex | bde0e2 |
12443874 has 16 divisors (see below), whose sum is σ = 25970112. Its totient is φ = 3967568.
The previous prime is 12443863. The next prime is 12443887. The reversal of 12443874 is 47834421.
It is a Curzon number.
It is an unprimeable number.
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, 44949 + ... + 45224.
It is an arithmetic number, because the mean of its divisors is an integer number (1623132).
Almost surely, 212443874 is an apocalyptic number.
12443874 is an abundant number, since it is smaller than the sum of its proper divisors (13526238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12443874 is a wasteful number, since it uses less digits than its factorization.
12443874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90201.
The product of its digits is 21504, while the sum is 33.
The square root of 12443874 is about 3527.5875609260. The cubic root of 12443874 is about 231.7315687477.
The spelling of 12443874 in words is "twelve million, four hundred forty-three thousand, eight hundred seventy-four".
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