Base | Representation |
---|---|
bin | 11010000111000… |
… | …010011110000111 |
3 | 1010112021101101200 |
4 | 122013002132013 |
5 | 1344120141433 |
6 | 111244553543 |
7 | 13566246462 |
oct | 3207023607 |
9 | 1115241350 |
10 | 438052743 |
11 | 2052a6567 |
12 | 1028528b3 |
13 | 6c9a5a0b |
14 | 4226c2d9 |
15 | 286cd613 |
hex | 1a1c2787 |
438052743 has 12 divisors (see below), whose sum is σ = 654561960. Its totient is φ = 281964816.
The previous prime is 438052711. The next prime is 438052777. The reversal of 438052743 is 347250834.
It is a happy number.
438052743 is a `hidden beast` number, since 4 + 380 + 5 + 274 + 3 = 666.
It is not a de Polignac number, because 438052743 - 25 = 438052711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 438052698 and 438052707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (438052793) 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, 838921 + ... + 839442.
It is an arithmetic number, because the mean of its divisors is an integer number (54546830).
Almost surely, 2438052743 is an apocalyptic number.
438052743 is a deficient number, since it is larger than the sum of its proper divisors (216509217).
438052743 is a wasteful number, since it uses less digits than its factorization.
438052743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1678398 (or 1678395 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The square root of 438052743 is about 20929.7095775359. The cubic root of 438052743 is about 759.4668138135.
The spelling of 438052743 in words is "four hundred thirty-eight million, fifty-two thousand, seven hundred forty-three".
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