Base | Representation |
---|---|
bin | 110100100110… |
… | …101000000001 |
3 | 221221120220112 |
4 | 310212220001 |
5 | 12012232242 |
6 | 1211321105 |
7 | 225132125 |
oct | 64465001 |
9 | 27846815 |
10 | 13789697 |
11 | 7869449 |
12 | 4750195 |
13 | 2b1a7ac |
14 | 1b8d585 |
15 | 1325c82 |
hex | d26a01 |
13789697 has 2 divisors, whose sum is σ = 13789698. Its totient is φ = 13789696.
The previous prime is 13789679. The next prime is 13789733. The reversal of 13789697 is 79698731.
Together with previous prime (13789679) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10817521 + 2972176 = 3289^2 + 1724^2 .
It is a cyclic number.
It is not a de Polignac number, because 13789697 - 28 = 13789441 is a prime.
It is not a weakly prime, because it can be changed into another prime (13789597) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6894848 + 6894849.
It is an arithmetic number, because the mean of its divisors is an integer number (6894849).
Almost surely, 213789697 is an apocalyptic number.
It is an amenable number.
13789697 is a deficient number, since it is larger than the sum of its proper divisors (1).
13789697 is an equidigital number, since it uses as much as digits as its factorization.
13789697 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 571536, while the sum is 50.
The square root of 13789697 is about 3713.4481280880. The cubic root of 13789697 is about 239.8013228447.
The spelling of 13789697 in words is "thirteen million, seven hundred eighty-nine thousand, six hundred ninety-seven".
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