Base | Representation |
---|---|
bin | 100111011000… |
… | …1110000000110 |
3 | 1102212011212101 |
4 | 1032301300012 |
5 | 20241313024 |
6 | 2014342314 |
7 | 340350016 |
oct | 116616006 |
9 | 42764771 |
10 | 20651014 |
11 | 1072545a |
12 | 6aba99a |
13 | 4380847 |
14 | 2a57c46 |
15 | 1c2dc44 |
hex | 13b1c06 |
20651014 has 8 divisors (see below), whose sum is σ = 31148208. Its totient is φ = 10268280.
The previous prime is 20650997. The next prime is 20651021. The reversal of 20651014 is 41015602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20650982 and 20651000.
It is a congruent number.
It is an unprimeable number.
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, 28162 + ... + 28885.
It is an arithmetic number, because the mean of its divisors is an integer number (3893526).
Almost surely, 220651014 is an apocalyptic number.
20651014 is a deficient number, since it is larger than the sum of its proper divisors (10497194).
20651014 is a wasteful number, since it uses less digits than its factorization.
20651014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57230.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 20651014 is about 4544.3386757591. The cubic root of 20651014 is about 274.3555775709.
Adding to 20651014 its reverse (41015602), we get a palindrome (61666616).
The spelling of 20651014 in words is "twenty million, six hundred fifty-one thousand, fourteen".
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