Base | Representation |
---|---|
bin | 1010001100011… |
… | …0001100010110 |
3 | 2222110011121112 |
4 | 2203012030112 |
5 | 41421123323 |
6 | 4124215022 |
7 | 1026260450 |
oct | 243061426 |
9 | 88404545 |
10 | 42754838 |
11 | 22152385 |
12 | 1239a472 |
13 | 8b1c729 |
14 | 596d2d0 |
15 | 3b48178 |
hex | 28c6316 |
42754838 has 32 divisors (see below), whose sum is σ = 76930560. Its totient is φ = 17457000.
The previous prime is 42754781. The next prime is 42754867. The reversal of 42754838 is 83845724.
It is a junction number, because it is equal to n+sod(n) for n = 42754795 and 42754804.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170213 + ... + 170463.
It is an arithmetic number, because the mean of its divisors is an integer number (2404080).
Almost surely, 242754838 is an apocalyptic number.
42754838 is a deficient number, since it is larger than the sum of its proper divisors (34175722).
42754838 is an equidigital number, since it uses as much as digits as its factorization.
42754838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329 (or 283 counting only the distinct ones).
The product of its digits is 215040, while the sum is 41.
The square root of 42754838 is about 6538.7183759511. The cubic root of 42754838 is about 349.6727226369.
The spelling of 42754838 in words is "forty-two million, seven hundred fifty-four thousand, eight hundred thirty-eight".
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