Base | Representation |
---|---|
bin | 110011000001… |
… | …011111101101 |
3 | 221011112200202 |
4 | 303001133231 |
5 | 11411003334 |
6 | 1154403245 |
7 | 221455352 |
oct | 63013755 |
9 | 27145622 |
10 | 13375469 |
11 | 7606208 |
12 | 4590525 |
13 | 2a040a3 |
14 | 1ac2629 |
15 | 129317e |
hex | cc17ed |
13375469 has 2 divisors, whose sum is σ = 13375470. Its totient is φ = 13375468.
The previous prime is 13375459. The next prime is 13375507. The reversal of 13375469 is 96457331.
It is a happy number.
It is an a-pointer prime, because the next prime (13375507) can be obtained adding 13375469 to its sum of digits (38).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11812969 + 1562500 = 3437^2 + 1250^2 .
It is a cyclic number.
It is not a de Polignac number, because 13375469 - 212 = 13371373 is a prime.
It is a super-2 number, since 2×133754692 = 357806341939922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13375459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687734 + 6687735.
It is an arithmetic number, because the mean of its divisors is an integer number (6687735).
Almost surely, 213375469 is an apocalyptic number.
It is an amenable number.
13375469 is a deficient number, since it is larger than the sum of its proper divisors (1).
13375469 is an equidigital number, since it uses as much as digits as its factorization.
13375469 is an evil number, because the sum of its binary digits is even.
The product of its digits is 68040, while the sum is 38.
The square root of 13375469 is about 3657.2488293798. The cubic root of 13375469 is about 237.3757444214.
The spelling of 13375469 in words is "thirteen million, three hundred seventy-five thousand, four hundred sixty-nine".
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