Base | Representation |
---|---|
bin | 110001111001… |
… | …100101101100 |
3 | 220121120200021 |
4 | 301321211230 |
5 | 11322042230 |
6 | 1144211524 |
7 | 216120565 |
oct | 61714554 |
9 | 26546607 |
10 | 13080940 |
11 | 74249a4 |
12 | 4469ba4 |
13 | 2930002 |
14 | 1a4716c |
15 | 1235c7a |
hex | c7996c |
13080940 has 12 divisors (see below), whose sum is σ = 27470016. Its totient is φ = 5232368.
The previous prime is 13080937. The next prime is 13080941. The reversal of 13080940 is 4908031.
It is a super-2 number, since 2×130809402 = 342221982567200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13080941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327004 + ... + 327043.
It is an arithmetic number, because the mean of its divisors is an integer number (2289168).
Almost surely, 213080940 is an apocalyptic number.
13080940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13080940 is an abundant number, since it is smaller than the sum of its proper divisors (14389076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13080940 is a wasteful number, since it uses less digits than its factorization.
13080940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 654056 (or 654054 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 13080940 is about 3616.7582169672. The cubic root of 13080940 is about 235.6204518725.
Adding to 13080940 its reverse (4908031), we get a palindrome (17988971).
The spelling of 13080940 in words is "thirteen million, eighty thousand, nine hundred forty".
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