Base | Representation |
---|---|
bin | 100110011001… |
… | …1001001011011 |
3 | 1101212211112001 |
4 | 1030303021123 |
5 | 20123214233 |
6 | 1555301431 |
7 | 333060112 |
oct | 114631133 |
9 | 41784461 |
10 | 20132443 |
11 | 10400891 |
12 | 68aa877 |
13 | 422b7b6 |
14 | 2960c79 |
15 | 1b7a27d |
hex | 133325b |
20132443 has 2 divisors, whose sum is σ = 20132444. Its totient is φ = 20132442.
The previous prime is 20132407. The next prime is 20132479. The reversal of 20132443 is 34423102.
It is a balanced prime because it is at equal distance from previous prime (20132407) and next prime (20132479).
It is a cyclic number.
It is not a de Polignac number, because 20132443 - 29 = 20131931 is a prime.
It is a super-2 number, since 2×201324432 = 810630522296498, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20132443.
It is not a weakly prime, because it can be changed into another prime (20132243) 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 as a sum of consecutive naturals, namely, 10066221 + 10066222.
It is an arithmetic number, because the mean of its divisors is an integer number (10066222).
Almost surely, 220132443 is an apocalyptic number.
20132443 is a deficient number, since it is larger than the sum of its proper divisors (1).
20132443 is an equidigital number, since it uses as much as digits as its factorization.
20132443 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 20132443 is about 4486.9190988918. The cubic root of 20132443 is about 272.0396199135.
Adding to 20132443 its reverse (34423102), we get a palindrome (54555545).
The spelling of 20132443 in words is "twenty million, one hundred thirty-two thousand, four hundred forty-three".
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