Base | Representation |
---|---|
bin | 100000110110110… |
… | …100010110101011 |
3 | 1102102020221200012 |
4 | 200312310112223 |
5 | 2112104204011 |
6 | 130411002135 |
7 | 16442321000 |
oct | 4066642653 |
9 | 1372227605 |
10 | 551241131 |
11 | 263185691 |
12 | 13473934b |
13 | 8a2863ac |
14 | 532d38a7 |
15 | 335daa8b |
hex | 20db45ab |
551241131 has 16 divisors (see below), whose sum is σ = 644160000. Its totient is φ = 471527784.
The previous prime is 551241109. The next prime is 551241139. The reversal of 551241131 is 131142155.
551241131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 551241131 - 214 = 551224747 is a prime.
It is a super-2 number, since 2×5512411312 = 607733569012318322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 551241097 and 551241106.
It is not an unprimeable number, because it can be changed into a prime (551241139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204116 + ... + 206798.
It is an arithmetic number, because the mean of its divisors is an integer number (40260000).
Almost surely, 2551241131 is an apocalyptic number.
551241131 is a deficient number, since it is larger than the sum of its proper divisors (92918869).
551241131 is an equidigital number, since it uses as much as digits as its factorization.
551241131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3303 (or 3289 counting only the distinct ones).
The product of its digits is 600, while the sum is 23.
The square root of 551241131 is about 23478.5248897796. The cubic root of 551241131 is about 819.9371015606.
Adding to 551241131 its reverse (131142155), we get a palindrome (682383286).
The spelling of 551241131 in words is "five hundred fifty-one million, two hundred forty-one thousand, one hundred thirty-one".
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