Base | Representation |
---|---|
bin | 110100011110… |
… | …000011000001 |
3 | 221212210201012 |
4 | 310132003001 |
5 | 12010121221 |
6 | 1210450305 |
7 | 224624522 |
oct | 64360301 |
9 | 27783635 |
10 | 13754561 |
11 | 7845007 |
12 | 4733995 |
13 | 2b077c2 |
14 | 1b80849 |
15 | 131a65b |
hex | d1e0c1 |
13754561 has 2 divisors, whose sum is σ = 13754562. Its totient is φ = 13754560.
The previous prime is 13754527. The next prime is 13754563. The reversal of 13754561 is 16545731.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7529536 + 6225025 = 2744^2 + 2495^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13754561 is a prime.
Together with 13754563, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13754563) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6877280 + 6877281.
It is an arithmetic number, because the mean of its divisors is an integer number (6877281).
Almost surely, 213754561 is an apocalyptic number.
It is an amenable number.
13754561 is a deficient number, since it is larger than the sum of its proper divisors (1).
13754561 is an equidigital number, since it uses as much as digits as its factorization.
13754561 is an evil number, because the sum of its binary digits is even.
The product of its digits is 12600, while the sum is 32.
The square root of 13754561 is about 3708.7141976701. The cubic root of 13754561 is about 239.5974792168.
The spelling of 13754561 in words is "thirteen million, seven hundred fifty-four thousand, five hundred sixty-one".
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