Base | Representation |
---|---|
bin | 11011001100110… |
… | …10111001010011 |
3 | 120220100111212100 |
4 | 31212122321103 |
5 | 431403103233 |
6 | 34350331443 |
7 | 5440313346 |
oct | 1546327123 |
9 | 526314770 |
10 | 228175443 |
11 | 107887651 |
12 | 644b9b83 |
13 | 38370972 |
14 | 2243845d |
15 | 15072813 |
hex | d99ae53 |
228175443 has 12 divisors (see below), whose sum is σ = 334102600. Its totient is φ = 150032736.
The previous prime is 228175421. The next prime is 228175457. The reversal of 228175443 is 344571822.
It is a happy number.
It is not a de Polignac number, because 228175443 - 26 = 228175379 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 228175398 and 228175407.
It is not an unprimeable number, because it can be changed into a prime (228175483) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172993 + ... + 174306.
Almost surely, 2228175443 is an apocalyptic number.
228175443 is a deficient number, since it is larger than the sum of its proper divisors (105927157).
228175443 is a wasteful number, since it uses less digits than its factorization.
228175443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347378 (or 347375 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 228175443 is about 15105.4772516462. The cubic root of 228175443 is about 611.0681303680.
The spelling of 228175443 in words is "two hundred twenty-eight million, one hundred seventy-five thousand, four hundred forty-three".
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