Base | Representation |
---|---|
bin | 110000100101… |
… | …111011110100 |
3 | 212222011122121 |
4 | 300211323310 |
5 | 11230111132 |
6 | 1133005324 |
7 | 213162610 |
oct | 60457364 |
9 | 25864577 |
10 | 12738292 |
11 | 7210516 |
12 | 4323844 |
13 | 2840068 |
14 | 1998340 |
15 | 11b9497 |
hex | c25ef4 |
12738292 has 24 divisors (see below), whose sum is σ = 25583040. Its totient is φ = 5436480.
The previous prime is 12738289. The next prime is 12738293. The reversal of 12738292 is 29283721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12738293) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 7059 + ... + 8677.
It is an arithmetic number, because the mean of its divisors is an integer number (1065960).
Almost surely, 212738292 is an apocalyptic number.
It is an amenable number.
12738292 is an abundant number, since it is smaller than the sum of its proper divisors (12844748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12738292 is a wasteful number, since it uses less digits than its factorization.
12738292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).
The product of its digits is 12096, while the sum is 34.
The square root of 12738292 is about 3569.0743898103. The cubic root of 12738292 is about 233.5449065124.
The spelling of 12738292 in words is "twelve million, seven hundred thirty-eight thousand, two hundred ninety-two".
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