Base | Representation |
---|---|
bin | 11011001011111… |
… | …00101110000111 |
3 | 120220010020022201 |
4 | 31211330232013 |
5 | 431340124342 |
6 | 34343535331 |
7 | 5436260122 |
oct | 1545745607 |
9 | 526106281 |
10 | 228051847 |
11 | 107802801 |
12 | 6445a547 |
13 | 3832962a |
14 | 224053b9 |
15 | 1504adb7 |
hex | d97cb87 |
228051847 has 2 divisors, whose sum is σ = 228051848. Its totient is φ = 228051846.
The previous prime is 228051829. The next prime is 228051869. The reversal of 228051847 is 748150822.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 228051847 - 227 = 93834119 is a prime.
It is a super-2 number, since 2×2280518472 = 104015289840222818, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228051247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114025923 + 114025924.
It is an arithmetic number, because the mean of its divisors is an integer number (114025924).
Almost surely, 2228051847 is an apocalyptic number.
228051847 is a deficient number, since it is larger than the sum of its proper divisors (1).
228051847 is an equidigital number, since it uses as much as digits as its factorization.
228051847 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 35840, while the sum is 37.
The square root of 228051847 is about 15101.3855986793. The cubic root of 228051847 is about 610.9577778305.
The spelling of 228051847 in words is "two hundred twenty-eight million, fifty-one thousand, eight hundred forty-seven".
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