Base | Representation |
---|---|
bin | 100000110110110… |
… | …001010010011001 |
3 | 1102102020022102221 |
4 | 200312301102121 |
5 | 2112103303234 |
6 | 130410424041 |
7 | 16442236243 |
oct | 4066612231 |
9 | 1372208387 |
10 | 551228569 |
11 | 263177201 |
12 | 134732021 |
13 | 8a280768 |
14 | 532cd093 |
15 | 335d6eb4 |
hex | 20db1499 |
551228569 has 2 divisors, whose sum is σ = 551228570. Its totient is φ = 551228568.
The previous prime is 551228539. The next prime is 551228611. The reversal of 551228569 is 965822155.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 523265625 + 27962944 = 22875^2 + 5288^2 .
It is a cyclic number.
It is not a de Polignac number, because 551228569 - 211 = 551226521 is a prime.
It is a super-2 number, since 2×5512285692 = 607705870563575522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (551228539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275614284 + 275614285.
It is an arithmetic number, because the mean of its divisors is an integer number (275614285).
Almost surely, 2551228569 is an apocalyptic number.
It is an amenable number.
551228569 is a deficient number, since it is larger than the sum of its proper divisors (1).
551228569 is an equidigital number, since it uses as much as digits as its factorization.
551228569 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 216000, while the sum is 43.
The square root of 551228569 is about 23478.2573671898. The cubic root of 551228569 is about 819.9308731138.
The spelling of 551228569 in words is "five hundred fifty-one million, two hundred twenty-eight thousand, five hundred sixty-nine".
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