Base | Representation |
---|---|
bin | 100111101010… |
… | …0100001000011 |
3 | 1110010102012100 |
4 | 1033110201003 |
5 | 20310342121 |
6 | 2021401443 |
7 | 341512122 |
oct | 117244103 |
9 | 43112170 |
10 | 20793411 |
11 | 10812441 |
12 | 6b69283 |
13 | 44005c2 |
14 | 2a93ab9 |
15 | 1c5b026 |
hex | 13d4843 |
20793411 has 12 divisors (see below), whose sum is σ = 30674592. Its totient is φ = 13567056.
The previous prime is 20793407. The next prime is 20793419. The reversal of 20793411 is 11439702.
It is not a de Polignac number, because 20793411 - 22 = 20793407 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20793419) 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 11 ways as a sum of consecutive naturals, for example, 24156 + ... + 25001.
It is an arithmetic number, because the mean of its divisors is an integer number (2556216).
Almost surely, 220793411 is an apocalyptic number.
20793411 is a deficient number, since it is larger than the sum of its proper divisors (9881181).
20793411 is a wasteful number, since it uses less digits than its factorization.
20793411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49210 (or 49207 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 20793411 is about 4559.9792762687. The cubic root of 20793411 is about 274.9847308326.
The spelling of 20793411 in words is "twenty million, seven hundred ninety-three thousand, four hundred eleven".
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