Base | Representation |
---|---|
bin | 100111010100… |
… | …0110000011011 |
3 | 1102210022022211 |
4 | 1032220300123 |
5 | 20234123141 |
6 | 2013455551 |
7 | 340134424 |
oct | 116506033 |
9 | 42708284 |
10 | 20614171 |
11 | 106aa806 |
12 | 6aa15b7 |
13 | 4369b46 |
14 | 2a4864b |
15 | 1c22d81 |
hex | 13a8c1b |
20614171 has 2 divisors, whose sum is σ = 20614172. Its totient is φ = 20614170.
The previous prime is 20614151. The next prime is 20614219. The reversal of 20614171 is 17141602.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20614171 - 27 = 20614043 is a prime.
It is not a weakly prime, because it can be changed into another prime (20614151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307085 + 10307086.
It is an arithmetic number, because the mean of its divisors is an integer number (10307086).
Almost surely, 220614171 is an apocalyptic number.
20614171 is a deficient number, since it is larger than the sum of its proper divisors (1).
20614171 is an equidigital number, since it uses as much as digits as its factorization.
20614171 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 22.
The square root of 20614171 is about 4540.2831409506. The cubic root of 20614171 is about 274.1923232837.
Adding to 20614171 its reverse (17141602), we get a palindrome (37755773).
The spelling of 20614171 in words is "twenty million, six hundred fourteen thousand, one hundred seventy-one".
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