Base | Representation |
---|---|
bin | 110110101100… |
… | …111001100001 |
3 | 222222112100022 |
4 | 312230321201 |
5 | 12132332211 |
6 | 1231203225 |
7 | 232612436 |
oct | 66547141 |
9 | 28875308 |
10 | 14339681 |
11 | 8104684 |
12 | 4976515 |
13 | 2c80c25 |
14 | 1c93b8d |
15 | 13d3bdb |
hex | dace61 |
14339681 has 4 divisors (see below), whose sum is σ = 14374164. Its totient is φ = 14305200.
The previous prime is 14339671. The next prime is 14339693. The reversal of 14339681 is 18693341.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18693341 = 31 ⋅603011.
It can be written as a sum of positive squares in 2 ways, for example, as 21025 + 14318656 = 145^2 + 3784^2 .
It is a cyclic number.
It is not a de Polignac number, because 14339681 - 210 = 14338657 is a prime.
It is a super-2 number, since 2×143396812 = 411252902363522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14339651) 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 in 3 ways as a sum of consecutive naturals, for example, 16610 + ... + 17451.
It is an arithmetic number, because the mean of its divisors is an integer number (3593541).
Almost surely, 214339681 is an apocalyptic number.
It is an amenable number.
14339681 is a deficient number, since it is larger than the sum of its proper divisors (34483).
14339681 is an equidigital number, since it uses as much as digits as its factorization.
14339681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34482.
The product of its digits is 15552, while the sum is 35.
The square root of 14339681 is about 3786.7771257363. Note that the first 3 decimals coincide. The cubic root of 14339681 is about 242.9479077937.
The spelling of 14339681 in words is "fourteen million, three hundred thirty-nine thousand, six hundred eighty-one".
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