Base | Representation |
---|---|
bin | 1010001110010… |
… | …1101011111111 |
3 | 2222200201120100 |
4 | 2203211223333 |
5 | 41434240324 |
6 | 4131052143 |
7 | 1030335525 |
oct | 243455377 |
9 | 88621510 |
10 | 42883839 |
11 | 22230299 |
12 | 12441053 |
13 | 8b6636b |
14 | 59a4315 |
15 | 3b714c9 |
hex | 28e5aff |
42883839 has 24 divisors (see below), whose sum is σ = 63133200. Its totient is φ = 28046592.
The previous prime is 42883829. The next prime is 42883873. The reversal of 42883839 is 93838824.
It is not a de Polignac number, because 42883839 - 29 = 42883327 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42883794 and 42883803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42883829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151392 + ... + 151674.
It is an arithmetic number, because the mean of its divisors is an integer number (2630550).
Almost surely, 242883839 is an apocalyptic number.
42883839 is a deficient number, since it is larger than the sum of its proper divisors (20249361).
42883839 is a wasteful number, since it uses less digits than its factorization.
42883839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 551 (or 548 counting only the distinct ones).
The product of its digits is 331776, while the sum is 45.
The square root of 42883839 is about 6548.5753412479. The cubic root of 42883839 is about 350.0240500481.
The spelling of 42883839 in words is "forty-two million, eight hundred eighty-three thousand, eight hundred thirty-nine".
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