Base | Representation |
---|---|
bin | 101110110111… |
… | …100111010110 |
3 | 212010012210200 |
4 | 232313213112 |
5 | 11121131142 |
6 | 1115201330 |
7 | 206301321 |
oct | 56674726 |
9 | 25105720 |
10 | 12286422 |
11 | 6a31a75 |
12 | 4146246 |
13 | 2712495 |
14 | 18bb7b8 |
15 | 112a64c |
hex | bb79d6 |
12286422 has 24 divisors (see below), whose sum is σ = 26705640. Its totient is φ = 4082400.
The previous prime is 12286409. The next prime is 12286423. The reversal of 12286422 is 22468221.
It is a happy number.
12286422 is a `hidden beast` number, since 12 + 2 + 8 + 642 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12286423) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5922 + ... + 7722.
It is an arithmetic number, because the mean of its divisors is an integer number (1112735).
Almost surely, 212286422 is an apocalyptic number.
12286422 is an abundant number, since it is smaller than the sum of its proper divisors (14419218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12286422 is a wasteful number, since it uses less digits than its factorization.
12286422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2188 (or 2185 counting only the distinct ones).
The product of its digits is 3072, while the sum is 27.
The square root of 12286422 is about 3505.1992810681. The cubic root of 12286422 is about 230.7500529191.
The spelling of 12286422 in words is "twelve million, two hundred eighty-six thousand, four hundred twenty-two".
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