Base | Representation |
---|---|
bin | 110000100110… |
… | …001010001000 |
3 | 212222012220112 |
4 | 300212022020 |
5 | 11230123313 |
6 | 1133013452 |
7 | 213165356 |
oct | 60461210 |
9 | 25865815 |
10 | 12739208 |
11 | 7211179 |
12 | 4324288 |
13 | 28405c1 |
14 | 19987d6 |
15 | 11b98a8 |
hex | c26288 |
12739208 has 8 divisors (see below), whose sum is σ = 23886030. Its totient is φ = 6369600.
The previous prime is 12739189. The next prime is 12739229. The reversal of 12739208 is 80293721.
It can be written as a sum of positive squares in only one way, i.e., 8168164 + 4571044 = 2858^2 + 2138^2 .
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, 796193 + ... + 796208.
Almost surely, 212739208 is an apocalyptic number.
It is an amenable number.
12739208 is a deficient number, since it is larger than the sum of its proper divisors (11146822).
12739208 is a wasteful number, since it uses less digits than its factorization.
12739208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1592407 (or 1592403 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 12739208 is about 3569.2027120913. The cubic root of 12739208 is about 233.5505043850.
The spelling of 12739208 in words is "twelve million, seven hundred thirty-nine thousand, two hundred eight".
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