Base | Representation |
---|---|
bin | 100110011010… |
… | …1111110101011 |
3 | 1101220102102200 |
4 | 1030311332223 |
5 | 20124102133 |
6 | 1555431243 |
7 | 333135663 |
oct | 114657653 |
9 | 41812380 |
10 | 20144043 |
11 | 10409577 |
12 | 68b5523 |
13 | 4233b6a |
14 | 29651a3 |
15 | 1b7d913 |
hex | 1335fab |
20144043 has 12 divisors (see below), whose sum is σ = 29200080. Its totient is φ = 13381776.
The previous prime is 20144039. The next prime is 20144051. The reversal of 20144043 is 34044102.
It is not a de Polignac number, because 20144043 - 22 = 20144039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20144023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1183 + ... + 6456.
It is an arithmetic number, because the mean of its divisors is an integer number (2433340).
Almost surely, 220144043 is an apocalyptic number.
20144043 is a deficient number, since it is larger than the sum of its proper divisors (9056037).
20144043 is a wasteful number, since it uses less digits than its factorization.
20144043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7938 (or 7935 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 20144043 is about 4488.2115591848. The cubic root of 20144043 is about 272.0918582120.
Adding to 20144043 its reverse (34044102), we get a palindrome (54188145).
It can be divided in two parts, 201 and 44043, that added together give a palindrome (44244).
The spelling of 20144043 in words is "twenty million, one hundred forty-four thousand, forty-three".
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