Base | Representation |
---|---|
bin | 101110101001… |
… | …100100111111 |
3 | 212000021221020 |
4 | 232221210333 |
5 | 11112311202 |
6 | 1114035223 |
7 | 205641564 |
oct | 56514477 |
9 | 25007836 |
10 | 12228927 |
11 | 69a2857 |
12 | 4118b13 |
13 | 26c2269 |
14 | 18a486b |
15 | 11185bc |
hex | ba993f |
12228927 has 8 divisors (see below), whose sum is σ = 16383360. Its totient is φ = 8113560.
The previous prime is 12228917. The next prime is 12228929. The reversal of 12228927 is 72982221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12228927 - 210 = 12227903 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12228929) 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, 9027 + ... + 10292.
It is an arithmetic number, because the mean of its divisors is an integer number (2047920).
Almost surely, 212228927 is an apocalyptic number.
12228927 is a deficient number, since it is larger than the sum of its proper divisors (4154433).
12228927 is a wasteful number, since it uses less digits than its factorization.
12228927 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19533.
The product of its digits is 8064, while the sum is 33.
The square root of 12228927 is about 3496.9882756452. The cubic root of 12228927 is about 230.3895540753.
The spelling of 12228927 in words is "twelve million, two hundred twenty-eight thousand, nine hundred twenty-seven".
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