Base | Representation |
---|---|
bin | 100111010101… |
… | …0010001001011 |
3 | 1102210121211011 |
4 | 1032222101023 |
5 | 20234322423 |
6 | 2013544351 |
7 | 340161451 |
oct | 116522113 |
9 | 42717734 |
10 | 20620363 |
11 | 10704425 |
12 | 6aa50b7 |
13 | 436c8ca |
14 | 2a4a9d1 |
15 | 1c24b0d |
hex | 13aa44b |
20620363 has 8 divisors (see below), whose sum is σ = 22020480. Its totient is φ = 19266240.
The previous prime is 20620361. The next prime is 20620373. The reversal of 20620363 is 36302602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20620363 - 21 = 20620361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20620361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10570 + ... + 12367.
It is an arithmetic number, because the mean of its divisors is an integer number (2752560).
Almost surely, 220620363 is an apocalyptic number.
20620363 is a deficient number, since it is larger than the sum of its proper divisors (1400117).
20620363 is a wasteful number, since it uses less digits than its factorization.
20620363 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22997.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 20620363 is about 4540.9649855510. The cubic root of 20620363 is about 274.2197741233.
Adding to 20620363 its reverse (36302602), we get a palindrome (56922965).
The spelling of 20620363 in words is "twenty million, six hundred twenty thousand, three hundred sixty-three".
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