Base | Representation |
---|---|
bin | 110011110011… |
… | …101101010101 |
3 | 221112222211020 |
4 | 303303231111 |
5 | 11434044031 |
6 | 1203031353 |
7 | 223303110 |
oct | 63635525 |
9 | 27488736 |
10 | 13581141 |
11 | 7736792 |
12 | 466b559 |
13 | 2a768a2 |
14 | 1b37577 |
15 | 12d4096 |
hex | cf3b55 |
13581141 has 8 divisors (see below), whose sum is σ = 20695104. Its totient is φ = 7760640.
The previous prime is 13581137. The next prime is 13581149. The reversal of 13581141 is 14118531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13581141 - 22 = 13581137 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13581149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323340 + ... + 323381.
It is an arithmetic number, because the mean of its divisors is an integer number (2586888).
Almost surely, 213581141 is an apocalyptic number.
It is an amenable number.
13581141 is a deficient number, since it is larger than the sum of its proper divisors (7113963).
13581141 is an equidigital number, since it uses as much as digits as its factorization.
13581141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 646731.
The product of its digits is 480, while the sum is 24.
The square root of 13581141 is about 3685.2599636932. The cubic root of 13581141 is about 238.5862545062.
Adding to 13581141 its reverse (14118531), we get a palindrome (27699672).
The spelling of 13581141 in words is "thirteen million, five hundred eighty-one thousand, one hundred forty-one".
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