Base | Representation |
---|---|
bin | 110011000010… |
… | …101110100101 |
3 | 221011210121201 |
4 | 303002232211 |
5 | 11411134032 |
6 | 1154442501 |
7 | 221506153 |
oct | 63025645 |
9 | 27153551 |
10 | 13380517 |
11 | 7609a87 |
12 | 4593431 |
13 | 2a06487 |
14 | 1ac43d3 |
15 | 12948e7 |
hex | cc2ba5 |
13380517 has 2 divisors, whose sum is σ = 13380518. Its totient is φ = 13380516.
The previous prime is 13380511. The next prime is 13380529. The reversal of 13380517 is 71508331.
13380517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12952801 + 427716 = 3599^2 + 654^2 .
It is an emirp because it is prime and its reverse (71508331) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13380517 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13380511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6690258 + 6690259.
It is an arithmetic number, because the mean of its divisors is an integer number (6690259).
Almost surely, 213380517 is an apocalyptic number.
It is an amenable number.
13380517 is a deficient number, since it is larger than the sum of its proper divisors (1).
13380517 is an equidigital number, since it uses as much as digits as its factorization.
13380517 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 13380517 is about 3657.9389005285. The cubic root of 13380517 is about 237.4056031138.
Adding to 13380517 its reverse (71508331), we get a palindrome (84888848).
The spelling of 13380517 in words is "thirteen million, three hundred eighty thousand, five hundred seventeen".
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