Base | Representation |
---|---|
bin | 110110101110… |
… | …110101100101 |
3 | 222222221020101 |
4 | 312232311211 |
5 | 12133110441 |
6 | 1231304101 |
7 | 232644541 |
oct | 66566545 |
9 | 28887211 |
10 | 14347621 |
11 | 810a642 |
12 | 497b031 |
13 | 2c84722 |
14 | 1c96a21 |
15 | 13d6231 |
hex | daed65 |
14347621 has 2 divisors, whose sum is σ = 14347622. Its totient is φ = 14347620.
The previous prime is 14347589. The next prime is 14347631. The reversal of 14347621 is 12674341.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14145121 + 202500 = 3761^2 + 450^2 .
It is an emirp because it is prime and its reverse (12674341) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14347621 - 25 = 14347589 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 14347621.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14347631) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7173810 + 7173811.
It is an arithmetic number, because the mean of its divisors is an integer number (7173811).
Almost surely, 214347621 is an apocalyptic number.
It is an amenable number.
14347621 is a deficient number, since it is larger than the sum of its proper divisors (1).
14347621 is an equidigital number, since it uses as much as digits as its factorization.
14347621 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4032, while the sum is 28.
The square root of 14347621 is about 3787.8253655627. The cubic root of 14347621 is about 242.9927402755.
The spelling of 14347621 in words is "fourteen million, three hundred forty-seven thousand, six hundred twenty-one".
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