Base | Representation |
---|---|
bin | 1100010000111… |
… | …1010101100001 |
3 | 10120210120120211 |
4 | 3010033111201 |
5 | 101132134131 |
6 | 5034334121 |
7 | 1163154466 |
oct | 304172541 |
9 | 116716524 |
10 | 51443041 |
11 | 27046a11 |
12 | 1528a341 |
13 | a872190 |
14 | 6b9166d |
15 | 47b25b1 |
hex | 310f561 |
51443041 has 12 divisors (see below), whose sum is σ = 56093268. Its totient is φ = 46898784.
The previous prime is 51443033. The next prime is 51443057. The reversal of 51443041 is 14034415.
It can be written as a sum of positive squares in 2 ways, for example, as 16974400 + 34468641 = 4120^2 + 5871^2 .
It is not a de Polignac number, because 51443041 - 23 = 51443033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51443011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137731 + ... + 138103.
It is an arithmetic number, because the mean of its divisors is an integer number (4674439).
Almost surely, 251443041 is an apocalyptic number.
It is an amenable number.
51443041 is a deficient number, since it is larger than the sum of its proper divisors (4650227).
51443041 is a wasteful number, since it uses less digits than its factorization.
51443041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592 (or 489 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 51443041 is about 7172.3804277241. The cubic root of 51443041 is about 371.9137296574.
Adding to 51443041 its reverse (14034415), we get a palindrome (65477456).
The spelling of 51443041 in words is "fifty-one million, four hundred forty-three thousand, forty-one".
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