Base | Representation |
---|---|
bin | 110001111001… |
… | …101110000010 |
3 | 220121121102001 |
4 | 301321232002 |
5 | 11322101344 |
6 | 1144214214 |
7 | 216122260 |
oct | 61715602 |
9 | 26547361 |
10 | 13081474 |
11 | 742533a |
12 | 446a36a |
13 | 2930323 |
14 | 1a47430 |
15 | 1235ed4 |
hex | c79b82 |
13081474 has 16 divisors (see below), whose sum is σ = 22497408. Its totient is φ = 5588352.
The previous prime is 13081447. The next prime is 13081477. The reversal of 13081474 is 47418031.
13081474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×130814742 = 342249924025352, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13081477) 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, 3619 + ... + 6265.
It is an arithmetic number, because the mean of its divisors is an integer number (1406088).
Almost surely, 213081474 is an apocalyptic number.
13081474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
13081474 is a deficient number, since it is larger than the sum of its proper divisors (9415934).
13081474 is a wasteful number, since it uses less digits than its factorization.
13081474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3009.
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 13081474 is about 3616.8320392299. The cubic root of 13081474 is about 235.6236580542.
The spelling of 13081474 in words is "thirteen million, eighty-one thousand, four hundred seventy-four".
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