Base | Representation |
---|---|
bin | 1010101000011100001 |
3 | 122200220011 |
4 | 1111003201 |
5 | 42122020 |
6 | 11244521 |
7 | 2650462 |
oct | 1250341 |
9 | 580804 |
10 | 348385 |
11 | 218824 |
12 | 149741 |
13 | c275b |
14 | 90d69 |
15 | 6d35a |
hex | 550e1 |
348385 has 4 divisors (see below), whose sum is σ = 418068. Its totient is φ = 278704.
The previous prime is 348367. The next prime is 348389. The reversal of 348385 is 583843.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 43681 + 304704 = 209^2 + 552^2 .
It is a cyclic number.
It is not a de Polignac number, because 348385 - 25 = 348353 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (348389) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34834 + ... + 34843.
It is an arithmetic number, because the mean of its divisors is an integer number (104517).
2348385 is an apocalyptic number.
It is an amenable number.
348385 is a deficient number, since it is larger than the sum of its proper divisors (69683).
348385 is an equidigital number, since it uses as much as digits as its factorization.
348385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69682.
The product of its digits is 11520, while the sum is 31.
The square root of 348385 is about 590.2414760079. The cubic root of 348385 is about 70.3644260052.
It can be divided in two parts, 34838 and 5, that added together give a palindrome (34843).
The spelling of 348385 in words is "three hundred forty-eight thousand, three hundred eighty-five".
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