Base | Representation |
---|---|
bin | 1010010000011… |
… | …1110000011001 |
3 | 2222221210222201 |
4 | 2210013300121 |
5 | 42003222020 |
6 | 4134050201 |
7 | 1031456416 |
oct | 244076031 |
9 | 88853881 |
10 | 43023385 |
11 | 22316119 |
12 | 124a9961 |
13 | 8bb4a32 |
14 | 59dd10d |
15 | 3b9ca0a |
hex | 2907c19 |
43023385 has 8 divisors (see below), whose sum is σ = 53408520. Its totient is φ = 33231744.
The previous prime is 43023359. The next prime is 43023389. The reversal of 43023385 is 58332034.
It can be written as a sum of positive squares in 4 ways, for example, as 10259209 + 32764176 = 3203^2 + 5724^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 43023385 - 211 = 43021337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (43023389) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 148212 + ... + 148501.
It is an arithmetic number, because the mean of its divisors is an integer number (6676065).
Almost surely, 243023385 is an apocalyptic number.
It is an amenable number.
43023385 is a deficient number, since it is larger than the sum of its proper divisors (10385135).
43023385 is a wasteful number, since it uses less digits than its factorization.
43023385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296747.
The product of its (nonzero) digits is 8640, while the sum is 28.
The square root of 43023385 is about 6559.2213714739. The cubic root of 43023385 is about 350.4033038034.
The spelling of 43023385 in words is "forty-three million, twenty-three thousand, three hundred eighty-five".
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