Base | Representation |
---|---|
bin | 110100111100… |
… | …101011001000 |
3 | 222010011210101 |
4 | 310330223020 |
5 | 12023130013 |
6 | 1213255144 |
7 | 225656332 |
oct | 64745310 |
9 | 28104711 |
10 | 13880008 |
11 | 792028a |
12 | 47944b4 |
13 | 2b4c92c |
14 | 1bb4452 |
15 | 13428dd |
hex | d3cac8 |
13880008 has 8 divisors (see below), whose sum is σ = 26025030. Its totient is φ = 6940000.
The previous prime is 13879997. The next prime is 13880023. The reversal of 13880008 is 80008831.
13880008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 7739524 + 6140484 = 2782^2 + 2478^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867493 + ... + 867508.
Almost surely, 213880008 is an apocalyptic number.
It is an amenable number.
13880008 is a deficient number, since it is larger than the sum of its proper divisors (12145022).
13880008 is a wasteful number, since it uses less digits than its factorization.
13880008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1735007 (or 1735003 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 13880008 is about 3725.5882756955. The cubic root of 13880008 is about 240.3236836279.
Adding to 13880008 its reverse (80008831), we get a palindrome (93888839).
The spelling of 13880008 in words is "thirteen million, eight hundred eighty thousand, eight".
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