Base | Representation |
---|---|
bin | 11011001100111… |
… | …01001111011011 |
3 | 120220101000001012 |
4 | 31212131033123 |
5 | 431403410201 |
6 | 34350444135 |
7 | 5440353353 |
oct | 1546351733 |
9 | 526330035 |
10 | 228185051 |
11 | 107893896 |
12 | 6450364b |
13 | 38375153 |
14 | 2243bb63 |
15 | 150755bb |
hex | d99d3db |
228185051 has 2 divisors, whose sum is σ = 228185052. Its totient is φ = 228185050.
The previous prime is 228185039. The next prime is 228185057. The reversal of 228185051 is 150581822.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 228185051 - 26 = 228184987 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 228184999 and 228185017.
It is not a weakly prime, because it can be changed into another prime (228185057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114092525 + 114092526.
It is an arithmetic number, because the mean of its divisors is an integer number (114092526).
Almost surely, 2228185051 is an apocalyptic number.
228185051 is a deficient number, since it is larger than the sum of its proper divisors (1).
228185051 is an equidigital number, since it uses as much as digits as its factorization.
228185051 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6400, while the sum is 32.
The square root of 228185051 is about 15105.7952786340. The cubic root of 228185051 is about 611.0767071896.
The spelling of 228185051 in words is "two hundred twenty-eight million, one hundred eighty-five thousand, fifty-one".
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