Base | Representation |
---|---|
bin | 110101011000… |
… | …110100000101 |
3 | 222100000220022 |
4 | 311120310011 |
5 | 12040322034 |
6 | 1215544525 |
7 | 226646351 |
oct | 65306405 |
9 | 28300808 |
10 | 13995269 |
11 | 7999942 |
12 | 482b145 |
13 | 2b90232 |
14 | 1c04461 |
15 | 1366b2e |
hex | d58d05 |
13995269 has 2 divisors, whose sum is σ = 13995270. Its totient is φ = 13995268.
The previous prime is 13995259. The next prime is 13995277. The reversal of 13995269 is 96259931.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13912900 + 82369 = 3730^2 + 287^2 .
It is an emirp because it is prime and its reverse (96259931) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13995269 - 28 = 13995013 is a prime.
It is a super-2 number, since 2×139952692 = 391735108764722, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13995259) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997634 + 6997635.
It is an arithmetic number, because the mean of its divisors is an integer number (6997635).
Almost surely, 213995269 is an apocalyptic number.
It is an amenable number.
13995269 is a deficient number, since it is larger than the sum of its proper divisors (1).
13995269 is an equidigital number, since it uses as much as digits as its factorization.
13995269 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 131220, while the sum is 44.
The square root of 13995269 is about 3741.0251268870. The cubic root of 13995269 is about 240.9870748278.
The spelling of 13995269 in words is "thirteen million, nine hundred ninety-five thousand, two hundred sixty-nine".
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