Base | Representation |
---|---|
bin | 100110010001… |
… | …0111001111000 |
3 | 1101202110020221 |
4 | 1030202321320 |
5 | 20114102122 |
6 | 1554025424 |
7 | 332362126 |
oct | 114427170 |
9 | 41673227 |
10 | 20065912 |
11 | 103658a9 |
12 | 6878274 |
13 | 4207429 |
14 | 2944916 |
15 | 1b656c7 |
hex | 1322e78 |
20065912 has 16 divisors (see below), whose sum is σ = 38921400. Its totient is φ = 9686880.
The previous prime is 20065909. The next prime is 20065931. The reversal of 20065912 is 21956002.
It is a congruent number.
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, 43014 + ... + 43477.
Almost surely, 220065912 is an apocalyptic number.
It is an amenable number.
20065912 is a deficient number, since it is larger than the sum of its proper divisors (18855488).
20065912 is a wasteful number, since it uses less digits than its factorization.
20065912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86526 (or 86522 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 20065912 is about 4479.4990791382. The cubic root of 20065912 is about 271.7396225119.
The spelling of 20065912 in words is "twenty million, sixty-five thousand, nine hundred twelve".
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