Base | Representation |
---|---|
bin | 11011001011100… |
… | …11111111111101 |
3 | 120220001102022200 |
4 | 31211303333331 |
5 | 431333004000 |
6 | 34343102113 |
7 | 5436051021 |
oct | 1545637775 |
9 | 526042280 |
10 | 228016125 |
11 | 107788987 |
12 | 64441939 |
13 | 383162ac |
14 | 223d6381 |
15 | 15040500 |
hex | d973ffd |
228016125 has 72 divisors (see below), whose sum is σ = 427465896. Its totient is φ = 116928000.
The previous prime is 228016099. The next prime is 228016141. The reversal of 228016125 is 521610822.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 126832644 + 101183481 = 11262^2 + 10059^2 .
It is not a de Polignac number, because 228016125 - 213 = 228007933 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 946005 + ... + 946245.
Almost surely, 2228016125 is an apocalyptic number.
228016125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
228016125 is a deficient number, since it is larger than the sum of its proper divisors (199449771).
228016125 is a wasteful number, since it uses less digits than its factorization.
228016125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320 (or 278 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 228016125 is about 15100.2028132075. The cubic root of 228016125 is about 610.9258760595.
Adding to 228016125 its reverse (521610822), we get a palindrome (749626947).
The spelling of 228016125 in words is "two hundred twenty-eight million, sixteen thousand, one hundred twenty-five".
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