Base | Representation |
---|---|
bin | 101110101100… |
… | …110100110110 |
3 | 212000222011221 |
4 | 232230310312 |
5 | 11113222410 |
6 | 1114220554 |
7 | 206025430 |
oct | 56546466 |
9 | 25028157 |
10 | 12242230 |
11 | 6a01850 |
12 | 412475a |
13 | 26c8330 |
14 | 18a9650 |
15 | 111c4da |
hex | bacd36 |
12242230 has 64 divisors (see below), whose sum is σ = 29611008. Its totient is φ = 3519360.
The previous prime is 12242221. The next prime is 12242257. The reversal of 12242230 is 3224221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9399 + ... + 10621.
It is an arithmetic number, because the mean of its divisors is an integer number (462672).
Almost surely, 212242230 is an apocalyptic number.
12242230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12242230 is an abundant number, since it is smaller than the sum of its proper divisors (17368778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12242230 is a wasteful number, since it uses less digits than its factorization.
12242230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1261.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 12242230 is about 3498.8898239299. The cubic root of 12242230 is about 230.4730653965.
Adding to 12242230 its reverse (3224221), we get a palindrome (15466451).
Subtracting from 12242230 its reverse (3224221), we obtain a square (9018009 = 30032).
It can be divided in two parts, 12 and 242230, that added together give a palindrome (242242).
The spelling of 12242230 in words is "twelve million, two hundred forty-two thousand, two hundred thirty".
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