Base | Representation |
---|---|
bin | 110101010101… |
… | …000110000100 |
3 | 222022021000010 |
4 | 311111012010 |
5 | 12034330121 |
6 | 1215350220 |
7 | 226554060 |
oct | 65250604 |
9 | 28267003 |
10 | 13980036 |
11 | 7989454 |
12 | 4822370 |
13 | 2b86315 |
14 | 1bdcaa0 |
15 | 1362376 |
hex | d55184 |
13980036 has 24 divisors (see below), whose sum is σ = 37280320. Its totient is φ = 3994272.
The previous prime is 13979983. The next prime is 13980047. The reversal of 13980036 is 63008931.
It is a super-2 number, since 2×139800362 = 390882813122592, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13979985 and 13980012.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83131 + ... + 83298.
Almost surely, 213980036 is an apocalyptic number.
It is an amenable number.
13980036 is an abundant number, since it is smaller than the sum of its proper divisors (23300284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13980036 is a wasteful number, since it uses less digits than its factorization.
13980036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166443 (or 166441 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 13980036 is about 3738.9886333071. The cubic root of 13980036 is about 240.8996098235.
Adding to 13980036 its reverse (63008931), we get a palindrome (76988967).
The spelling of 13980036 in words is "thirteen million, nine hundred eighty thousand, thirty-six".
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