Base | Representation |
---|---|
bin | 100110101110… |
… | …0110101101110 |
3 | 1102012111202220 |
4 | 1031130311232 |
5 | 20144200324 |
6 | 2003100210 |
7 | 334401021 |
oct | 115346556 |
9 | 42174686 |
10 | 20303214 |
11 | 10508118 |
12 | 6971666 |
13 | 428b449 |
14 | 29a71b8 |
15 | 1bb0b79 |
hex | 135cd6e |
20303214 has 32 divisors (see below), whose sum is σ = 41484960. Its totient is φ = 6623232.
The previous prime is 20303203. The next prime is 20303249. The reversal of 20303214 is 41230302.
It is a junction number, because it is equal to n+sod(n) for n = 20303193 and 20303202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102964 + ... + 103160.
It is an arithmetic number, because the mean of its divisors is an integer number (1296405).
Almost surely, 220303214 is an apocalyptic number.
20303214 is an abundant number, since it is smaller than the sum of its proper divisors (21181746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20303214 is a wasteful number, since it uses less digits than its factorization.
20303214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 20303214 is about 4505.9087873591. The cubic root of 20303214 is about 272.8066362767.
Adding to 20303214 its reverse (41230302), we get a palindrome (61533516).
The spelling of 20303214 in words is "twenty million, three hundred three thousand, two hundred fourteen".
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