Base | Representation |
---|---|
bin | 11011001011111… |
… | …01100101111011 |
3 | 120220010102020000 |
4 | 31211331211323 |
5 | 431340233134 |
6 | 34344004043 |
7 | 5436303414 |
oct | 1545754573 |
9 | 526112200 |
10 | 228055419 |
11 | 107805459 |
12 | 64460623 |
13 | 3832b147 |
14 | 2240680b |
15 | 1504be99 |
hex | d97d97b |
228055419 has 40 divisors (see below), whose sum is σ = 358144512. Its totient is φ = 144342000.
The previous prime is 228055397. The next prime is 228055427. The reversal of 228055419 is 914550822.
228055419 is a `hidden beast` number, since 22 + 80 + 554 + 1 + 9 = 666.
It is not a de Polignac number, because 228055419 - 29 = 228054907 is a prime.
It is a super-2 number, since 2×2280554192 = 104018548270531122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (228055319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 303294 + ... + 304044.
Almost surely, 2228055419 is an apocalyptic number.
228055419 is a deficient number, since it is larger than the sum of its proper divisors (130089093).
228055419 is a wasteful number, since it uses less digits than its factorization.
228055419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949 (or 940 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 228055419 is about 15101.5038655096. The cubic root of 228055419 is about 610.9609676458.
It can be divided in two parts, 22805 and 5419, that added together give a square (28224 = 1682).
The spelling of 228055419 in words is "two hundred twenty-eight million, fifty-five thousand, four hundred nineteen".
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