Base | Representation |
---|---|
bin | 1010010000100… |
… | …1101010101110 |
3 | 2222222012201200 |
4 | 2210021222232 |
5 | 42003444324 |
6 | 4134150330 |
7 | 1031521302 |
oct | 244115256 |
9 | 88865650 |
10 | 43031214 |
11 | 22320a96 |
12 | 124b23a6 |
13 | 8bb8475 |
14 | 5a01d02 |
15 | 3b9eec9 |
hex | 2909aae |
43031214 has 12 divisors (see below), whose sum is σ = 93234336. Its totient is φ = 14343732.
The previous prime is 43031213. The next prime is 43031243. The reversal of 43031214 is 41213034.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2390623 = 43031214 / (4 + 3 + 0 + 3 + 1 + 2 + 1 + 4).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43031213) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1195294 + ... + 1195329.
It is an arithmetic number, because the mean of its divisors is an integer number (7769528).
Almost surely, 243031214 is an apocalyptic number.
43031214 is an abundant number, since it is smaller than the sum of its proper divisors (50203122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43031214 is a wasteful number, since it uses less digits than its factorization.
43031214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2390631 (or 2390628 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 43031214 is about 6559.8181377230. The cubic root of 43031214 is about 350.4245569047.
Adding to 43031214 its reverse (41213034), we get a palindrome (84244248).
The spelling of 43031214 in words is "forty-three million, thirty-one thousand, two hundred fourteen".
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