Base | Representation |
---|---|
bin | 101110101001… |
… | …100011001110 |
3 | 212000021210001 |
4 | 232221203032 |
5 | 11112310224 |
6 | 1114034514 |
7 | 205641343 |
oct | 56514316 |
9 | 25007701 |
10 | 12228814 |
11 | 69a2764 |
12 | 4118a3a |
13 | 26c21b0 |
14 | 18a47ca |
15 | 1118544 |
hex | ba98ce |
12228814 has 32 divisors (see below), whose sum is σ = 21258720. Its totient is φ = 5225472.
The previous prime is 12228809. The next prime is 12228823. The reversal of 12228814 is 41882221.
It is a super-3 number, since 3×122288143 (a number of 22 digits) contains 333 as substring.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 32077 + ... + 32455.
It is an arithmetic number, because the mean of its divisors is an integer number (664335).
Almost surely, 212228814 is an apocalyptic number.
12228814 is a deficient number, since it is larger than the sum of its proper divisors (9029906).
12228814 is a wasteful number, since it uses less digits than its factorization.
12228814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484.
The product of its digits is 2048, while the sum is 28.
The square root of 12228814 is about 3496.9721188480. The cubic root of 12228814 is about 230.3888444436.
It can be divided in two parts, 12 and 228814, that added together give a triangular number (228826 = T676).
The spelling of 12228814 in words is "twelve million, two hundred twenty-eight thousand, eight hundred fourteen".
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