Base | Representation |
---|---|
bin | 100110100111… |
… | …0001101100101 |
3 | 1102002110120220 |
4 | 1031032031211 |
5 | 20140241201 |
6 | 2001514553 |
7 | 334031241 |
oct | 115161545 |
9 | 42073526 |
10 | 20243301 |
11 | 10477101 |
12 | 6942a59 |
13 | 426a0b0 |
14 | 298d421 |
15 | 1b9d036 |
hex | 134e365 |
20243301 has 16 divisors (see below), whose sum is σ = 29178240. Its totient is φ = 12409920.
The previous prime is 20243291. The next prime is 20243309. The reversal of 20243301 is 10334202.
It is not a de Polignac number, because 20243301 - 25 = 20243269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20243309) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 11295 + ... + 12963.
It is an arithmetic number, because the mean of its divisors is an integer number (1823640).
Almost surely, 220243301 is an apocalyptic number.
It is an amenable number.
20243301 is a deficient number, since it is larger than the sum of its proper divisors (8934939).
20243301 is a wasteful number, since it uses less digits than its factorization.
20243301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1996.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 20243301 is about 4499.2556050974. The cubic root of 20243301 is about 272.5380290892.
Adding to 20243301 its reverse (10334202), we get a palindrome (30577503).
Subtracting from 20243301 its reverse (10334202), we obtain a palindrome (9909099).
The spelling of 20243301 in words is "twenty million, two hundred forty-three thousand, three hundred one".
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