Base | Representation |
---|---|
bin | 100110001011… |
… | …0010010000101 |
3 | 1101122211100011 |
4 | 1030112102011 |
5 | 20110423323 |
6 | 1552550221 |
7 | 332055322 |
oct | 114262205 |
9 | 41584304 |
10 | 20014213 |
11 | 1032aa7a |
12 | 6852371 |
13 | 41b9a3b |
14 | 292db49 |
15 | 1b5520d |
hex | 1316485 |
20014213 has 2 divisors, whose sum is σ = 20014214. Its totient is φ = 20014212.
The previous prime is 20014199. The next prime is 20014217. The reversal of 20014213 is 31241002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10484644 + 9529569 = 3238^2 + 3087^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20014213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20014193 and 20014202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20014217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007106 + 10007107.
It is an arithmetic number, because the mean of its divisors is an integer number (10007107).
Almost surely, 220014213 is an apocalyptic number.
It is an amenable number.
20014213 is a deficient number, since it is larger than the sum of its proper divisors (1).
20014213 is an equidigital number, since it uses as much as digits as its factorization.
20014213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 20014213 is about 4473.7247344914. The cubic root of 20014213 is about 271.5060464632.
Adding to 20014213 its reverse (31241002), we get a palindrome (51255215).
The spelling of 20014213 in words is "twenty million, fourteen thousand, two hundred thirteen".
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