Base | Representation |
---|---|
bin | 100110101110… |
… | …0000110110110 |
3 | 1102012100122210 |
4 | 1031130012312 |
5 | 20144101324 |
6 | 2003034250 |
7 | 334356204 |
oct | 115340666 |
9 | 42170583 |
10 | 20300214 |
11 | 10505940 |
12 | 696b986 |
13 | 4289c7c |
14 | 29a6074 |
15 | 1baed29 |
hex | 135c1b6 |
20300214 has 64 divisors (see below), whose sum is σ = 47443968. Its totient is φ = 5728800.
The previous prime is 20300201. The next prime is 20300233. The reversal of 20300214 is 41200302.
It is a self number, because there is not a number n which added to its sum of digits gives 20300214.
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 31 ways as a sum of consecutive naturals, for example, 65119 + ... + 65429.
It is an arithmetic number, because the mean of its divisors is an integer number (741312).
Almost surely, 220300214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20300214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23721984).
20300214 is an abundant number, since it is smaller than the sum of its proper divisors (27143754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20300214 is a wasteful number, since it uses less digits than its factorization.
20300214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 20300214 is about 4505.5758788417. The cubic root of 20300214 is about 272.7931989917.
Adding to 20300214 its reverse (41200302), we get a palindrome (61500516).
The spelling of 20300214 in words is "twenty million, three hundred thousand, two hundred fourteen".
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