Base | Representation |
---|---|
bin | 100110001100… |
… | …0101011101011 |
3 | 1101200022211020 |
4 | 1030120223223 |
5 | 20111232133 |
6 | 1553103523 |
7 | 332126064 |
oct | 114305353 |
9 | 41608736 |
10 | 20024043 |
11 | 103373a6 |
12 | 6857ba3 |
13 | 41c1360 |
14 | 293356b |
15 | 1b580b3 |
hex | 1318aeb |
20024043 has 32 divisors (see below), whose sum is σ = 30831360. Its totient is φ = 11456640.
The previous prime is 20024009. The next prime is 20024077. The reversal of 20024043 is 34042002.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20024009) and next prime (20024077).
It is not a de Polignac number, because 20024043 - 216 = 19958507 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20024083) 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 31 ways as a sum of consecutive naturals, for example, 44980 + ... + 45422.
It is an arithmetic number, because the mean of its divisors is an integer number (963480).
Almost surely, 220024043 is an apocalyptic number.
20024043 is a deficient number, since it is larger than the sum of its proper divisors (10807317).
20024043 is a wasteful number, since it uses less digits than its factorization.
20024043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 539.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 20024043 is about 4474.8232367324. The cubic root of 20024043 is about 271.5504893401.
Adding to 20024043 its reverse (34042002), we get a palindrome (54066045).
The spelling of 20024043 in words is "twenty million, twenty-four thousand, forty-three".
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