Base | Representation |
---|---|
bin | 110011010100… |
… | …100010000001 |
3 | 221022111122121 |
4 | 303110202001 |
5 | 11421002231 |
6 | 1200204241 |
7 | 222231601 |
oct | 63244201 |
9 | 27274577 |
10 | 13453441 |
11 | 7659851 |
12 | 4609681 |
13 | 2a30721 |
14 | 1b02c01 |
15 | 12ab311 |
hex | cd4881 |
13453441 has 4 divisors (see below), whose sum is σ = 13572612. Its totient is φ = 13334272.
The previous prime is 13453397. The next prime is 13453457. The reversal of 13453441 is 14435431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14435431 = 17 ⋅849143.
It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 9828225 = 1904^2 + 3135^2 .
It is a cyclic number.
It is not a de Polignac number, because 13453441 - 27 = 13453313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13453481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59416 + ... + 59641.
It is an arithmetic number, because the mean of its divisors is an integer number (3393153).
Almost surely, 213453441 is an apocalyptic number.
It is an amenable number.
13453441 is a deficient number, since it is larger than the sum of its proper divisors (119171).
13453441 is a wasteful number, since it uses less digits than its factorization.
13453441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119170.
The product of its digits is 2880, while the sum is 25.
The square root of 13453441 is about 3667.8932645321. The cubic root of 13453441 is about 237.8361098933.
Adding to 13453441 its reverse (14435431), we get a palindrome (27888872).
The spelling of 13453441 in words is "thirteen million, four hundred fifty-three thousand, four hundred forty-one".
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