Base | Representation |
---|---|
bin | 110101011000… |
… | …110001010001 |
3 | 222100000122122 |
4 | 311120301101 |
5 | 12040320324 |
6 | 1215544025 |
7 | 226646003 |
oct | 65306121 |
9 | 28300578 |
10 | 13995089 |
11 | 7999799 |
12 | 482b015 |
13 | 2b90124 |
14 | 1c04373 |
15 | 1366a5e |
hex | d58c51 |
13995089 has 2 divisors, whose sum is σ = 13995090. Its totient is φ = 13995088.
The previous prime is 13995067. The next prime is 13995103. The reversal of 13995089 is 98059931.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7745089 + 6250000 = 2783^2 + 2500^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13995089 is a prime.
It is a super-2 number, since 2×139950892 = 391725032235842, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13995589) 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 as a sum of consecutive naturals, namely, 6997544 + 6997545.
It is an arithmetic number, because the mean of its divisors is an integer number (6997545).
Almost surely, 213995089 is an apocalyptic number.
It is an amenable number.
13995089 is a deficient number, since it is larger than the sum of its proper divisors (1).
13995089 is an equidigital number, since it uses as much as digits as its factorization.
13995089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 87480, while the sum is 44.
The square root of 13995089 is about 3741.0010692327. The cubic root of 13995089 is about 240.9860416725.
The spelling of 13995089 in words is "thirteen million, nine hundred ninety-five thousand, eighty-nine".
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