Base | Representation |
---|---|
bin | 11011001100100… |
… | …11100000011011 |
3 | 120220021222100110 |
4 | 31212103200123 |
5 | 431401121204 |
6 | 34345535403 |
7 | 5440126203 |
oct | 1546234033 |
9 | 526258313 |
10 | 228145179 |
11 | 107866939 |
12 | 644a4563 |
13 | 3835cc62 |
14 | 2242b403 |
15 | 15068889 |
hex | d99381b |
228145179 has 8 divisors (see below), whose sum is σ = 320203840. Its totient is φ = 144091656.
The previous prime is 228145123. The next prime is 228145187. The reversal of 228145179 is 971541822.
228145179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 228145179 - 27 = 228145051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (228145679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001217 + ... + 2001330.
It is an arithmetic number, because the mean of its divisors is an integer number (40025480).
Almost surely, 2228145179 is an apocalyptic number.
228145179 is a deficient number, since it is larger than the sum of its proper divisors (92058661).
228145179 is a wasteful number, since it uses less digits than its factorization.
228145179 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4002569.
The product of its digits is 40320, while the sum is 39.
The square root of 228145179 is about 15104.4754625905. The cubic root of 228145179 is about 611.0411128775.
The spelling of 228145179 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred seventy-nine".
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