Base | Representation |
---|---|
bin | 11011001100110… |
… | …10110100111011 |
3 | 120220100111110222 |
4 | 31212122310323 |
5 | 431403101123 |
6 | 34350330255 |
7 | 5440312466 |
oct | 1546326473 |
9 | 526314428 |
10 | 228175163 |
11 | 107887417 |
12 | 644b998b |
13 | 383707b8 |
14 | 224382dd |
15 | 150726c8 |
hex | d99ad3b |
228175163 has 4 divisors (see below), whose sum is σ = 228252120. Its totient is φ = 228098208.
The previous prime is 228175141. The next prime is 228175169. The reversal of 228175163 is 361571822.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 228175163 - 26 = 228175099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (228175169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33845 + ... + 40022.
It is an arithmetic number, because the mean of its divisors is an integer number (57063030).
Almost surely, 2228175163 is an apocalyptic number.
228175163 is a deficient number, since it is larger than the sum of its proper divisors (76957).
228175163 is an equidigital number, since it uses as much as digits as its factorization.
228175163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76956.
The product of its digits is 20160, while the sum is 35.
The square root of 228175163 is about 15105.4679834820. The cubic root of 228175163 is about 611.0678804154.
The spelling of 228175163 in words is "two hundred twenty-eight million, one hundred seventy-five thousand, one hundred sixty-three".
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