Base | Representation |
---|---|
bin | 100110001011… |
… | …0010000110011 |
3 | 1101122211020010 |
4 | 1030112100303 |
5 | 20110423011 |
6 | 1552550003 |
7 | 332055144 |
oct | 114262063 |
9 | 41584203 |
10 | 20014131 |
11 | 1032aa05 |
12 | 6852303 |
13 | 41b99a7 |
14 | 292dacb |
15 | 1b551a6 |
hex | 1316433 |
20014131 has 4 divisors (see below), whose sum is σ = 26685512. Its totient is φ = 13342752.
The previous prime is 20014079. The next prime is 20014133. The reversal of 20014131 is 13141002.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20014131 - 210 = 20013107 is a prime.
It is a super-2 number, since 2×200141312 = 801130879370322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20014133) 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 3 ways as a sum of consecutive naturals, for example, 3335686 + ... + 3335691.
It is an arithmetic number, because the mean of its divisors is an integer number (6671378).
Almost surely, 220014131 is an apocalyptic number.
20014131 is a deficient number, since it is larger than the sum of its proper divisors (6671381).
20014131 is an equidigital number, since it uses as much as digits as its factorization.
20014131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6671380.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 20014131 is about 4473.7155698591. The cubic root of 20014131 is about 271.5056756679.
Adding to 20014131 its reverse (13141002), we get a palindrome (33155133).
The spelling of 20014131 in words is "twenty million, fourteen thousand, one hundred thirty-one".
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