Base | Representation |
---|---|
bin | 100111111001… |
… | …0000111111011 |
3 | 1110100120112220 |
4 | 1033302013323 |
5 | 20323232213 |
6 | 2024135123 |
7 | 342525516 |
oct | 117620773 |
9 | 43316486 |
10 | 20914683 |
11 | 10895569 |
12 | 70074a3 |
13 | 444386a |
14 | 2ac5d7d |
15 | 1c81e23 |
hex | 13f21fb |
20914683 has 16 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 13633760.
The previous prime is 20914681. The next prime is 20914717. The reversal of 20914683 is 38641902.
It is a cyclic number.
It is not a de Polignac number, because 20914683 - 21 = 20914681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20914681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31408 + ... + 32066.
It is an arithmetic number, because the mean of its divisors is an integer number (1782000).
Almost surely, 220914683 is an apocalyptic number.
20914683 is a deficient number, since it is larger than the sum of its proper divisors (7597317).
20914683 is a wasteful number, since it uses less digits than its factorization.
20914683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 882.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 20914683 is about 4573.2573730329. The cubic root of 20914683 is about 275.5182864950.
The spelling of 20914683 in words is "twenty million, nine hundred fourteen thousand, six hundred eighty-three".
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