Base | Representation |
---|---|
bin | 100110001001… |
… | …1001110101110 |
3 | 1101122012012002 |
4 | 1030103032232 |
5 | 20110023320 |
6 | 1552412302 |
7 | 332004011 |
oct | 114231656 |
9 | 41565162 |
10 | 20001710 |
11 | 10321643 |
12 | 6847092 |
13 | 41b4141 |
14 | 2929378 |
15 | 1b51675 |
hex | 13133ae |
20001710 has 16 divisors (see below), whose sum is σ = 36096192. Its totient is φ = 7980000.
The previous prime is 20001703. The next prime is 20001763. The reversal of 20001710 is 1710002.
It is a junction number, because it is equal to n+sod(n) for n = 20001691 and 20001700.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1835 + ... + 6585.
It is an arithmetic number, because the mean of its divisors is an integer number (2256012).
Almost surely, 220001710 is an apocalyptic number.
20001710 is a deficient number, since it is larger than the sum of its proper divisors (16094482).
20001710 is a wasteful number, since it uses less digits than its factorization.
20001710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5179.
The product of its (nonzero) digits is 14, while the sum is 11.
The square root of 20001710 is about 4472.3271347253. The cubic root of 20001710 is about 271.4494975292.
Adding to 20001710 its reverse (1710002), we get a palindrome (21711712).
The spelling of 20001710 in words is "twenty million, one thousand, seven hundred ten".
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