Base | Representation |
---|---|
bin | 11011010010001… |
… | …01100110101010 |
3 | 120221200001000111 |
4 | 31221011212222 |
5 | 432042442131 |
6 | 34413324534 |
7 | 5446255036 |
oct | 1551054652 |
9 | 527601014 |
10 | 228874666 |
11 | 108214a19 |
12 | 6479674a |
13 | 38556cc7 |
14 | 2257b1c6 |
15 | 1515eab1 |
hex | da459aa |
228874666 has 16 divisors (see below), whose sum is σ = 346607424. Its totient is φ = 113342944.
The previous prime is 228874663. The next prime is 228874673. The reversal of 228874666 is 666478822.
228874666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2288746662 = 104767225473223112, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (228874661) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186531 + ... + 187753.
It is an arithmetic number, because the mean of its divisors is an integer number (21662964).
Almost surely, 2228874666 is an apocalyptic number.
228874666 is a deficient number, since it is larger than the sum of its proper divisors (117732758).
228874666 is a wasteful number, since it uses less digits than its factorization.
228874666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2045.
The product of its digits is 1548288, while the sum is 49.
The square root of 228874666 is about 15128.6042317195. The cubic root of 228874666 is about 611.6916815280.
The spelling of 228874666 in words is "two hundred twenty-eight million, eight hundred seventy-four thousand, six hundred sixty-six".
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