Base | Representation |
---|---|
bin | 1011011000101… |
… | …1000001111001 |
3 | 10022212020001222 |
4 | 2312023001321 |
5 | 44211133020 |
6 | 4423321425 |
7 | 1116625346 |
oct | 266130171 |
9 | 108766058 |
10 | 47755385 |
11 | 24a58367 |
12 | 13bb0275 |
13 | 9b80832 |
14 | 64b17cd |
15 | 42d4b25 |
hex | 2d8b079 |
47755385 has 16 divisors (see below), whose sum is σ = 58677696. Its totient is φ = 37297728.
The previous prime is 47755369. The next prime is 47755387. The reversal of 47755385 is 58355774.
It is a happy number.
47755385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 47755385 - 24 = 47755369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47755387) 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 15 ways as a sum of consecutive naturals, for example, 81062 + ... + 81648.
It is an arithmetic number, because the mean of its divisors is an integer number (3667356).
Almost surely, 247755385 is an apocalyptic number.
It is an amenable number.
47755385 is a deficient number, since it is larger than the sum of its proper divisors (10922311).
47755385 is a wasteful number, since it uses less digits than its factorization.
47755385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 952.
The product of its digits is 588000, while the sum is 44.
The square root of 47755385 is about 6910.5271144827. The cubic root of 47755385 is about 362.8057127758.
The spelling of 47755385 in words is "forty-seven million, seven hundred fifty-five thousand, three hundred eighty-five".
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