Base | Representation |
---|---|
bin | 110101010010… |
… | …111100110111 |
3 | 222021210221220 |
4 | 311102330313 |
5 | 12034040010 |
6 | 1215241423 |
7 | 226516344 |
oct | 65227467 |
9 | 28253856 |
10 | 13971255 |
11 | 79828a1 |
12 | 4819273 |
13 | 2b8231c |
14 | 1bd97cb |
15 | 135e970 |
hex | d52f37 |
13971255 has 8 divisors (see below), whose sum is σ = 22354032. Its totient is φ = 7451328.
The previous prime is 13971253. The next prime is 13971271. The reversal of 13971255 is 55217931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13971255 - 21 = 13971253 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13971253) 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, 465694 + ... + 465723.
It is an arithmetic number, because the mean of its divisors is an integer number (2794254).
Almost surely, 213971255 is an apocalyptic number.
13971255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13971255 is a deficient number, since it is larger than the sum of its proper divisors (8382777).
13971255 is an equidigital number, since it uses as much as digits as its factorization.
13971255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 931425.
The product of its digits is 9450, while the sum is 33.
The square root of 13971255 is about 3737.8142008398. The cubic root of 13971255 is about 240.8491621109.
The spelling of 13971255 in words is "thirteen million, nine hundred seventy-one thousand, two hundred fifty-five".
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