Base | Representation |
---|---|
bin | 110100111101… |
… | …010001011001 |
3 | 222010022011002 |
4 | 310331101121 |
5 | 12023214312 |
6 | 1213314345 |
7 | 225666431 |
oct | 64752131 |
9 | 28108132 |
10 | 13882457 |
11 | 7922106 |
12 | 47959b5 |
13 | 2b50a94 |
14 | 1bb52c1 |
15 | 13434c2 |
hex | d3d459 |
13882457 has 2 divisors, whose sum is σ = 13882458. Its totient is φ = 13882456.
The previous prime is 13882447. The next prime is 13882459. The reversal of 13882457 is 75428831.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10995856 + 2886601 = 3316^2 + 1699^2 .
It is an emirp because it is prime and its reverse (75428831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13882457 - 216 = 13816921 is a prime.
It is a super-2 number, since 2×138824572 = 385445224713698, which contains 22 as substring.
Together with 13882459, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13882457.
It is not a weakly prime, because it can be changed into another prime (13882459) 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 as a sum of consecutive naturals, namely, 6941228 + 6941229.
It is an arithmetic number, because the mean of its divisors is an integer number (6941229).
Almost surely, 213882457 is an apocalyptic number.
It is an amenable number.
13882457 is a deficient number, since it is larger than the sum of its proper divisors (1).
13882457 is an equidigital number, since it uses as much as digits as its factorization.
13882457 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 53760, while the sum is 38.
The square root of 13882457 is about 3725.9169341251. The cubic root of 13882457 is about 240.3378170993.
The spelling of 13882457 in words is "thirteen million, eight hundred eighty-two thousand, four hundred fifty-seven".
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