Base | Representation |
---|---|
bin | 101110010011… |
… | …101111011010 |
3 | 211211202020110 |
4 | 232103233122 |
5 | 11101430412 |
6 | 1112105150 |
7 | 205120035 |
oct | 56235732 |
9 | 24752213 |
10 | 12139482 |
11 | 6941633 |
12 | 40951b6 |
13 | 2690634 |
14 | 188001c |
15 | 10ebd3c |
hex | b93bda |
12139482 has 16 divisors (see below), whose sum is σ = 24316992. Its totient is φ = 4040160.
The previous prime is 12139447. The next prime is 12139483. The reversal of 12139482 is 28493121.
It is not an unprimeable number, because it can be changed into a prime (12139483) 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, 4182 + ... + 6462.
It is an arithmetic number, because the mean of its divisors is an integer number (1519812).
Almost surely, 212139482 is an apocalyptic number.
12139482 is an abundant number, since it is smaller than the sum of its proper divisors (12177510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12139482 is a wasteful number, since it uses less digits than its factorization.
12139482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3173.
The product of its digits is 3456, while the sum is 30.
The square root of 12139482 is about 3484.1759427446. The cubic root of 12139482 is about 229.8264727672.
It can be divided in two parts, 12139 and 482, that added together give a palindrome (12621).
The spelling of 12139482 in words is "twelve million, one hundred thirty-nine thousand, four hundred eighty-two".
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