Base | Representation |
---|---|
bin | 100111101010… |
… | …0001111111001 |
3 | 1110010100200200 |
4 | 1033110033321 |
5 | 20310323223 |
6 | 2021352413 |
7 | 341505663 |
oct | 117241771 |
9 | 43110620 |
10 | 20792313 |
11 | 10811633 |
12 | 6b68709 |
13 | 43ccc59 |
14 | 2a93533 |
15 | 1c5aa43 |
hex | 13d43f9 |
20792313 has 12 divisors (see below), whose sum is σ = 30271488. Its totient is φ = 13751640.
The previous prime is 20792287. The next prime is 20792329. The reversal of 20792313 is 31329702.
It is not a de Polignac number, because 20792313 - 25 = 20792281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20792363) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7953 + ... + 10238.
It is an arithmetic number, because the mean of its divisors is an integer number (2522624).
Almost surely, 220792313 is an apocalyptic number.
It is an amenable number.
20792313 is a deficient number, since it is larger than the sum of its proper divisors (9479175).
20792313 is a wasteful number, since it uses less digits than its factorization.
20792313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18324 (or 18321 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 20792313 is about 4559.8588793953. The cubic root of 20792313 is about 274.9798905405.
It can be divided in two parts, 207923 and 13, that added together give a square (207936 = 4562).
The spelling of 20792313 in words is "twenty million, seven hundred ninety-two thousand, three hundred thirteen".
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