Base | Representation |
---|---|
bin | 100110011001… |
… | …0100110100110 |
3 | 1101212201110111 |
4 | 1030302212212 |
5 | 20123131324 |
6 | 1555243234 |
7 | 333050446 |
oct | 114624646 |
9 | 41781414 |
10 | 20130214 |
11 | 103aa145 |
12 | 68a951a |
13 | 422a790 |
14 | 2960126 |
15 | 1b79794 |
hex | 13329a6 |
20130214 has 8 divisors (see below), whose sum is σ = 32518080. Its totient is φ = 9290856.
The previous prime is 20130203. The next prime is 20130223. The reversal of 20130214 is 41203102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 20130194 and 20130203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387094 + ... + 387145.
It is an arithmetic number, because the mean of its divisors is an integer number (4064760).
Almost surely, 220130214 is an apocalyptic number.
20130214 is a deficient number, since it is larger than the sum of its proper divisors (12387866).
20130214 is a wasteful number, since it uses less digits than its factorization.
20130214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 774254.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 20130214 is about 4486.6707033167. The cubic root of 20130214 is about 272.0295797560.
Adding to 20130214 its reverse (41203102), we get a palindrome (61333316).
The spelling of 20130214 in words is "twenty million, one hundred thirty thousand, two hundred fourteen".
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