Base | Representation |
---|---|
bin | 100110011001… |
… | …0000011001110 |
3 | 1101212121100122 |
4 | 1030302003032 |
5 | 20123043300 |
6 | 1555224542 |
7 | 333041033 |
oct | 114620316 |
9 | 41777318 |
10 | 20127950 |
11 | 103a8477 |
12 | 68a8152 |
13 | 422973b |
14 | 295d38a |
15 | 1b78c85 |
hex | 13320ce |
20127950 has 12 divisors (see below), whose sum is σ = 37438080. Its totient is φ = 8051160.
The previous prime is 20127937. The next prime is 20127953. The reversal of 20127950 is 5972102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20127953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201230 + ... + 201329.
It is an arithmetic number, because the mean of its divisors is an integer number (3119840).
Almost surely, 220127950 is an apocalyptic number.
20127950 is a deficient number, since it is larger than the sum of its proper divisors (17310130).
20127950 is a wasteful number, since it uses less digits than its factorization.
20127950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 402571 (or 402566 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 20127950 is about 4486.4183933289. The cubic root of 20127950 is about 272.0193811882.
The spelling of 20127950 in words is "twenty million, one hundred twenty-seven thousand, nine hundred fifty".
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