Base | Representation |
---|---|
bin | 100110001011… |
… | …0011100101101 |
3 | 1101122212021100 |
4 | 1030112130231 |
5 | 20110434033 |
6 | 1552553313 |
7 | 332060313 |
oct | 114263455 |
9 | 41585240 |
10 | 20014893 |
11 | 10330538 |
12 | 6852839 |
13 | 41ba142 |
14 | 29300b3 |
15 | 1b55513 |
hex | 131672d |
20014893 has 12 divisors (see below), whose sum is σ = 29385148. Its totient is φ = 13124160.
The previous prime is 20014879. The next prime is 20014913. The reversal of 20014893 is 39841002.
It can be written as a sum of positive squares in 2 ways, for example, as 6487209 + 13527684 = 2547^2 + 3678^2 .
It is not a de Polignac number, because 20014893 - 24 = 20014877 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 (20014493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17680 + ... + 18777.
Almost surely, 220014893 is an apocalyptic number.
It is an amenable number.
20014893 is a deficient number, since it is larger than the sum of its proper divisors (9370255).
20014893 is a wasteful number, since it uses less digits than its factorization.
20014893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36524 (or 36521 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 20014893 is about 4473.8007331574. The cubic root of 20014893 is about 271.5091213117.
Adding to 20014893 its reverse (39841002), we get a palindrome (59855895).
The spelling of 20014893 in words is "twenty million, fourteen thousand, eight hundred ninety-three".
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