Base | Representation |
---|---|
bin | 11011001101100… |
… | …01100001110100 |
3 | 120220112020000212 |
4 | 31212301201310 |
5 | 431414040043 |
6 | 34352324552 |
7 | 5441150543 |
oct | 1546614164 |
9 | 526466025 |
10 | 228268148 |
11 | 107940269 |
12 | 64543758 |
13 | 383a3c14 |
14 | 2246015a |
15 | 15090018 |
hex | d9b1874 |
228268148 has 12 divisors (see below), whose sum is σ = 399841092. Its totient is φ = 114027840.
The previous prime is 228268141. The next prime is 228268151. The reversal of 228268148 is 841862822.
228268148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 87086224 + 141181924 = 9332^2 + 11882^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228268141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21623 + ... + 30398.
It is an arithmetic number, because the mean of its divisors is an integer number (33320091).
Almost surely, 2228268148 is an apocalyptic number.
It is an amenable number.
228268148 is a deficient number, since it is larger than the sum of its proper divisors (171572944).
228268148 is a wasteful number, since it uses less digits than its factorization.
228268148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53122 (or 53120 counting only the distinct ones).
The product of its digits is 98304, while the sum is 41.
The square root of 228268148 is about 15108.5455289383. The cubic root of 228268148 is about 611.1508757620.
The spelling of 228268148 in words is "two hundred twenty-eight million, two hundred sixty-eight thousand, one hundred forty-eight".
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