Base | Representation |
---|---|
bin | 11011010001001… |
… | …01111101011111 |
3 | 120221102110020002 |
4 | 31220211331133 |
5 | 432024320210 |
6 | 34410444515 |
7 | 5445205130 |
oct | 1550457537 |
9 | 527373202 |
10 | 228745055 |
11 | 108136600 |
12 | 6473373b |
13 | 38510006 |
14 | 22545c87 |
15 | 151364a5 |
hex | da25f5f |
228745055 has 24 divisors (see below), whose sum is σ = 344825376. Its totient is φ = 142591680.
The previous prime is 228745043. The next prime is 228745057. The reversal of 228745055 is 550547822.
It is not a de Polignac number, because 228745055 - 26 = 228744991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228745057) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22772 + ... + 31241.
It is an arithmetic number, because the mean of its divisors is an integer number (14367724).
Almost surely, 2228745055 is an apocalyptic number.
228745055 is a deficient number, since it is larger than the sum of its proper divisors (116080321).
228745055 is a wasteful number, since it uses less digits than its factorization.
228745055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54047 (or 54036 counting only the distinct ones).
The product of its (nonzero) digits is 112000, while the sum is 38.
The square root of 228745055 is about 15124.3199847134. The cubic root of 228745055 is about 611.5761933697.
The spelling of 228745055 in words is "two hundred twenty-eight million, seven hundred forty-five thousand, fifty-five".
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