Base | Representation |
---|---|
bin | 110001111001… |
… | …101101111000 |
3 | 220121121101200 |
4 | 301321231320 |
5 | 11322101324 |
6 | 1144214200 |
7 | 216122244 |
oct | 61715570 |
9 | 26547350 |
10 | 13081464 |
11 | 7425330 |
12 | 446a360 |
13 | 2930316 |
14 | 1a47424 |
15 | 1235ec9 |
hex | c79b78 |
13081464 has 96 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 3896640.
The previous prime is 13081447. The next prime is 13081477. The reversal of 13081464 is 46418031.
It is a super-2 number, since 2×130814642 = 342249400766592, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65637 + ... + 65835.
It is an arithmetic number, because the mean of its divisors is an integer number (409500).
Almost surely, 213081464 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 13081464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19656000).
13081464 is an abundant number, since it is smaller than the sum of its proper divisors (26230536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13081464 is a wasteful number, since it uses less digits than its factorization.
13081464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305 (or 298 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 13081464 is about 3616.8306568044. The cubic root of 13081464 is about 235.6235980141.
Adding to 13081464 its reverse (46418031), we get a palindrome (59499495).
It can be divided in two parts, 1308 and 1464, that added together give a palindrome (2772).
The spelling of 13081464 in words is "thirteen million, eighty-one thousand, four hundred sixty-four".
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