Base | Representation |
---|---|
bin | 100110100101… |
… | …0011110111011 |
3 | 1102001200122012 |
4 | 1031022132323 |
5 | 20134244102 |
6 | 2001320135 |
7 | 333635561 |
oct | 115123673 |
9 | 42050565 |
10 | 20228027 |
11 | 10466686 |
12 | 693604b |
13 | 4263161 |
14 | 2987a31 |
15 | 1b98752 |
hex | 134a7bb |
20228027 has 16 divisors (see below), whose sum is σ = 22379520. Its totient is φ = 18208800.
The previous prime is 20228003. The next prime is 20228041. The reversal of 20228027 is 72082202.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 20228027 - 210 = 20227003 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20227993 and 20228011.
It is not an unprimeable number, because it can be changed into a prime (20228057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35648 + ... + 36210.
It is an arithmetic number, because the mean of its divisors is an integer number (1398720).
Almost surely, 220228027 is an apocalyptic number.
20228027 is a deficient number, since it is larger than the sum of its proper divisors (2151493).
20228027 is a wasteful number, since it uses less digits than its factorization.
20228027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 674.
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 20228027 is about 4497.5578929014. The cubic root of 20228027 is about 272.4694666010.
The spelling of 20228027 in words is "twenty million, two hundred twenty-eight thousand, twenty-seven".
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