Base | Representation |
---|---|
bin | 110011110011… |
… | …110000100100 |
3 | 221120000002220 |
4 | 303303300210 |
5 | 11434100343 |
6 | 1203032340 |
7 | 223303524 |
oct | 63636044 |
9 | 27500086 |
10 | 13581348 |
11 | 7736960 |
12 | 466b6b0 |
13 | 2a76a01 |
14 | 1b37684 |
15 | 12d4183 |
hex | cf3c24 |
13581348 has 48 divisors (see below), whose sum is σ = 35696640. Its totient is φ = 3981600.
The previous prime is 13581319. The next prime is 13581349. The reversal of 13581348 is 84318531.
13581348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (13581349) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2433 + ... + 5751.
It is an arithmetic number, because the mean of its divisors is an integer number (743680).
Almost surely, 213581348 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13581348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17848320).
13581348 is an abundant number, since it is smaller than the sum of its proper divisors (22115292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13581348 is a wasteful number, since it uses less digits than its factorization.
13581348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3368 (or 3366 counting only the distinct ones).
The product of its digits is 11520, while the sum is 33.
The square root of 13581348 is about 3685.2880484434. The cubic root of 13581348 is about 238.5874666553.
Adding to 13581348 its reverse (84318531), we get a palindrome (97899879).
The spelling of 13581348 in words is "thirteen million, five hundred eighty-one thousand, three hundred forty-eight".
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