Base | Representation |
---|---|
bin | 11011001100010… |
… | …00110100100000 |
3 | 120220012202022022 |
4 | 31212020310200 |
5 | 431343221113 |
6 | 34345001012 |
7 | 5436554453 |
oct | 1546106440 |
9 | 526182268 |
10 | 228101408 |
11 | 107836a67 |
12 | 64483168 |
13 | 38346062 |
14 | 2241949a |
15 | 1505a908 |
hex | d988d20 |
228101408 has 24 divisors (see below), whose sum is σ = 451016748. Its totient is φ = 113557504.
The previous prime is 228101407. The next prime is 228101413. The reversal of 228101408 is 804101822.
It can be written as a sum of positive squares in 2 ways, for example, as 227044624 + 1056784 = 15068^2 + 1028^2 .
It is not an unprimeable number, because it can be changed into a prime (228101407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7841 + ... + 22752.
Almost surely, 2228101408 is an apocalyptic number.
It is an amenable number.
228101408 is a deficient number, since it is larger than the sum of its proper divisors (222915340).
228101408 is a wasteful number, since it uses less digits than its factorization.
228101408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30836 (or 30828 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 26.
The square root of 228101408 is about 15103.0264516752. The cubic root of 228101408 is about 611.0020330961.
The spelling of 228101408 in words is "two hundred twenty-eight million, one hundred one thousand, four hundred eight".
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