Base | Representation |
---|---|
bin | 110001001011… |
… | …000001001000 |
3 | 220020220000020 |
4 | 301023001020 |
5 | 11244441214 |
6 | 1140140440 |
7 | 214364466 |
oct | 61130110 |
9 | 26226006 |
10 | 12890184 |
11 | 730464a |
12 | 4397720 |
13 | 2894238 |
14 | 19d7836 |
15 | 11e94a9 |
hex | c4b048 |
12890184 has 16 divisors (see below), whose sum is σ = 32225520. Its totient is φ = 4296720.
The previous prime is 12890179. The next prime is 12890191. The reversal of 12890184 is 48109821.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268522 + ... + 268569.
It is an arithmetic number, because the mean of its divisors is an integer number (2014095).
Almost surely, 212890184 is an apocalyptic number.
It is an amenable number.
12890184 is an abundant number, since it is smaller than the sum of its proper divisors (19335336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12890184 is a wasteful number, since it uses less digits than its factorization.
12890184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 537100 (or 537096 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 33.
The square root of 12890184 is about 3590.2902389640. The cubic root of 12890184 is about 234.4695080549.
The spelling of 12890184 in words is "twelve million, eight hundred ninety thousand, one hundred eighty-four".
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