Base | Representation |
---|---|
bin | 110001001001… |
… | …000100010110 |
3 | 220020111001110 |
4 | 301021010112 |
5 | 11244212243 |
6 | 1140035450 |
7 | 214332300 |
oct | 61110426 |
9 | 26214043 |
10 | 12882198 |
11 | 72a964a |
12 | 4392b86 |
13 | 2890704 |
14 | 19d4970 |
15 | 11e6e33 |
hex | c49116 |
12882198 has 48 divisors (see below), whose sum is σ = 30697920. Its totient is φ = 3591504.
The previous prime is 12882197. The next prime is 12882203. The reversal of 12882198 is 89128821.
It is a super-2 number, since 2×128821982 = 331902050622408, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12882193) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12133 + ... + 13151.
It is an arithmetic number, because the mean of its divisors is an integer number (639540).
Almost surely, 212882198 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12882198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15348960).
12882198 is an abundant number, since it is smaller than the sum of its proper divisors (17815722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12882198 is a wasteful number, since it uses less digits than its factorization.
12882198 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1081 (or 1074 counting only the distinct ones).
The product of its digits is 18432, while the sum is 39.
The square root of 12882198 is about 3589.1779002997. The cubic root of 12882198 is about 234.4210768787.
It can be divided in two parts, 1288 and 2198, that added together give a triangular number (3486 = T83).
The spelling of 12882198 in words is "twelve million, eight hundred eighty-two thousand, one hundred ninety-eight".
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