Base | Representation |
---|---|
bin | 110011010111… |
… | …000110100001 |
3 | 221100001002112 |
4 | 303113012201 |
5 | 11421321334 |
6 | 1200325105 |
7 | 222304361 |
oct | 63270641 |
9 | 27301075 |
10 | 13463969 |
11 | 7666752 |
12 | 4613795 |
13 | 2a3545c |
14 | 1b069a1 |
15 | 12ae4ce |
hex | cd71a1 |
13463969 has 2 divisors, whose sum is σ = 13463970. Its totient is φ = 13463968.
The previous prime is 13463959. The next prime is 13463971. The reversal of 13463969 is 96936431.
13463969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13249600 + 214369 = 3640^2 + 463^2 .
It is a cyclic number.
It is not a de Polignac number, because 13463969 - 24 = 13463953 is a prime.
It is a super-2 number, since 2×134639692 = 362556922465922, which contains 22 as substring.
Together with 13463971, 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 (13463929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6731984 + 6731985.
It is an arithmetic number, because the mean of its divisors is an integer number (6731985).
Almost surely, 213463969 is an apocalyptic number.
It is an amenable number.
13463969 is a deficient number, since it is larger than the sum of its proper divisors (1).
13463969 is an equidigital number, since it uses as much as digits as its factorization.
13463969 is an evil number, because the sum of its binary digits is even.
The product of its digits is 104976, while the sum is 41.
The square root of 13463969 is about 3669.3281401368. The cubic root of 13463969 is about 237.8981333240.
The spelling of 13463969 in words is "thirteen million, four hundred sixty-three thousand, nine hundred sixty-nine".
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