Base | Representation |
---|---|
bin | 100111100000… |
… | …0001101000110 |
3 | 1102222012001222 |
4 | 1033000031012 |
5 | 20300211324 |
6 | 2015520342 |
7 | 341014430 |
oct | 117001506 |
9 | 42865058 |
10 | 20710214 |
11 | 10765988 |
12 | 6b290b2 |
13 | 43a1785 |
14 | 2a71650 |
15 | 1c4155e |
hex | 13c0346 |
20710214 has 8 divisors (see below), whose sum is σ = 35503248. Its totient is φ = 8875800.
The previous prime is 20710213. The next prime is 20710231. The reversal of 20710214 is 41201702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-4 number, since 4×207102144 (a number of 30 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20710192 and 20710201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20710213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739637 + ... + 739664.
It is an arithmetic number, because the mean of its divisors is an integer number (4437906).
Almost surely, 220710214 is an apocalyptic number.
20710214 is a deficient number, since it is larger than the sum of its proper divisors (14793034).
20710214 is a wasteful number, since it uses less digits than its factorization.
20710214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1479310.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 20710214 is about 4550.8476133573. The cubic root of 20710214 is about 274.6174913404.
Adding to 20710214 its reverse (41201702), we get a palindrome (61911916).
The spelling of 20710214 in words is "twenty million, seven hundred ten thousand, two hundred fourteen".
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