Base | Representation |
---|---|
bin | 110101000100… |
… | …100010101101 |
3 | 222011211000001 |
4 | 311010202231 |
5 | 12030142422 |
6 | 1214104301 |
7 | 226152313 |
oct | 65044255 |
9 | 28154001 |
10 | 13912237 |
11 | 7942519 |
12 | 47ab091 |
13 | 2b614c1 |
14 | 1bc20b3 |
15 | 134c227 |
hex | d448ad |
13912237 has 8 divisors (see below), whose sum is σ = 14852160. Its totient is φ = 12993120.
The previous prime is 13912231. The next prime is 13912253. The reversal of 13912237 is 73221931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13912237 - 27 = 13912109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13912231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3808 + ... + 6505.
It is an arithmetic number, because the mean of its divisors is an integer number (1856520).
Almost surely, 213912237 is an apocalyptic number.
It is an amenable number.
13912237 is a deficient number, since it is larger than the sum of its proper divisors (939923).
13912237 is a wasteful number, since it uses less digits than its factorization.
13912237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10403.
The product of its digits is 2268, while the sum is 28.
The square root of 13912237 is about 3729.9111249465. The cubic root of 13912237 is about 240.5095481908.
The spelling of 13912237 in words is "thirteen million, nine hundred twelve thousand, two hundred thirty-seven".
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