Base | Representation |
---|---|
bin | 100110111101… |
… | …1001101011100 |
3 | 1102102211102020 |
4 | 1031323031130 |
5 | 20212140422 |
6 | 2005500140 |
7 | 335426502 |
oct | 115731534 |
9 | 42384366 |
10 | 20427612 |
11 | 10592627 |
12 | 6a11650 |
13 | 4302c5a |
14 | 29da672 |
15 | 1bd795c |
hex | 137b35c |
20427612 has 24 divisors (see below), whose sum is σ = 47759376. Its totient is φ = 6795648.
The previous prime is 20427601. The next prime is 20427613. The reversal of 20427612 is 21672402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20427613) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5968 + ... + 8744.
It is an arithmetic number, because the mean of its divisors is an integer number (1989974).
Almost surely, 220427612 is an apocalyptic number.
It is an amenable number.
20427612 is an abundant number, since it is smaller than the sum of its proper divisors (27331764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20427612 is a wasteful number, since it uses less digits than its factorization.
20427612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3397 (or 3395 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 20427612 is about 4519.6915823981. The cubic root of 20427612 is about 273.3626652374.
The spelling of 20427612 in words is "twenty million, four hundred twenty-seven thousand, six hundred twelve".
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