Base | Representation |
---|---|
bin | 100110110001… |
… | …0111000000001 |
3 | 1102020202200120 |
4 | 1031202320001 |
5 | 20200443222 |
6 | 2003410453 |
7 | 334533060 |
oct | 115427001 |
9 | 42222616 |
10 | 20327937 |
11 | 10524753 |
12 | 6983a29 |
13 | 4299786 |
14 | 29b21d7 |
15 | 1bb815c |
hex | 1362e01 |
20327937 has 16 divisors (see below), whose sum is σ = 32798592. Its totient is φ = 10932480.
The previous prime is 20327917. The next prime is 20327947. The reversal of 20327937 is 73972302.
It is not a de Polignac number, because 20327937 - 26 = 20327873 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20327898 and 20327907.
It is not an unprimeable number, because it can be changed into a prime (20327917) 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, 28114 + ... + 28827.
It is an arithmetic number, because the mean of its divisors is an integer number (2049912).
Almost surely, 220327937 is an apocalyptic number.
It is an amenable number.
20327937 is a deficient number, since it is larger than the sum of its proper divisors (12470655).
20327937 is a wasteful number, since it uses less digits than its factorization.
20327937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56968.
The product of its (nonzero) digits is 15876, while the sum is 33.
The square root of 20327937 is about 4508.6513504595. The cubic root of 20327937 is about 272.9173225735.
The spelling of 20327937 in words is "twenty million, three hundred twenty-seven thousand, nine hundred thirty-seven".
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