Base | Representation |
---|---|
bin | 110001101111… |
… | …111010101000 |
3 | 220112120022212 |
4 | 301233322220 |
5 | 11314310240 |
6 | 1143304252 |
7 | 215564225 |
oct | 61577250 |
9 | 26476285 |
10 | 13041320 |
11 | 73a8156 |
12 | 444b088 |
13 | 2917c76 |
14 | 1a3694c |
15 | 1229165 |
hex | c6fea8 |
13041320 has 32 divisors (see below), whose sum is σ = 29721600. Its totient is φ = 5149248.
The previous prime is 13041313. The next prime is 13041323. The reversal of 13041320 is 2314031.
It is a junction number, because it is equal to n+sod(n) for n = 13041295 and 13041304.
It is not an unprimeable number, because it can be changed into a prime (13041323) 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, 1097 + ... + 5223.
It is an arithmetic number, because the mean of its divisors is an integer number (928800).
Almost surely, 213041320 is an apocalyptic number.
13041320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13041320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14860800).
13041320 is an abundant number, since it is smaller than the sum of its proper divisors (16680280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13041320 is a wasteful number, since it uses less digits than its factorization.
13041320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4217 (or 4213 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 13041320 is about 3611.2767825244. The cubic root of 13041320 is about 235.3823261924.
Adding to 13041320 its reverse (2314031), we get a palindrome (15355351).
The spelling of 13041320 in words is "thirteen million, forty-one thousand, three hundred twenty".
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