Base | Representation |
---|---|
bin | 100111010101… |
… | …0010000001101 |
3 | 1102210121201212 |
4 | 1032222100031 |
5 | 20234322201 |
6 | 2013544205 |
7 | 340161332 |
oct | 116522015 |
9 | 42717655 |
10 | 20620301 |
11 | 10704379 |
12 | 6aa5065 |
13 | 436c880 |
14 | 2a4a989 |
15 | 1c24abb |
hex | 13aa40d |
20620301 has 16 divisors (see below), whose sum is σ = 24138240. Its totient is φ = 17444160.
The previous prime is 20620289. The next prime is 20620319. The reversal of 20620301 is 10302602.
It is a cyclic number.
It is not a de Polignac number, because 20620301 - 214 = 20603917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20620331) 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 15 ways as a sum of consecutive naturals, for example, 6311 + ... + 9003.
It is an arithmetic number, because the mean of its divisors is an integer number (1508640).
Almost surely, 220620301 is an apocalyptic number.
It is an amenable number.
20620301 is a deficient number, since it is larger than the sum of its proper divisors (3517939).
20620301 is a wasteful number, since it uses less digits than its factorization.
20620301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2756.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 20620301 is about 4540.9581588031. The cubic root of 20620301 is about 274.2194992875.
Adding to 20620301 its reverse (10302602), we get a palindrome (30922903).
The spelling of 20620301 in words is "twenty million, six hundred twenty thousand, three hundred one".
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