Base | Representation |
---|---|
bin | 11011001100000… |
… | …11100101001000 |
3 | 120220011122212100 |
4 | 31212003211020 |
5 | 431342024234 |
6 | 34344313400 |
7 | 5436435051 |
oct | 1546034510 |
9 | 526148770 |
10 | 228079944 |
11 | 107821924 |
12 | 64472860 |
13 | 38339361 |
14 | 22411728 |
15 | 15054399 |
hex | d983948 |
228079944 has 48 divisors (see below), whose sum is σ = 624674700. Its totient is φ = 75170304.
The previous prime is 228079931. The next prime is 228079961. The reversal of 228079944 is 449970822.
It can be written as a sum of positive squares in 2 ways, for example, as 186322500 + 41757444 = 13650^2 + 6462^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 228079944.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11389 + ... + 24204.
Almost surely, 2228079944 is an apocalyptic number.
228079944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
228079944 is an abundant number, since it is smaller than the sum of its proper divisors (396594756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228079944 is a wasteful number, since it uses less digits than its factorization.
228079944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35694 (or 35687 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 228079944 is about 15102.3158489021. The cubic root of 228079944 is about 610.9828677037.
The spelling of 228079944 in words is "two hundred twenty-eight million, seventy-nine thousand, nine hundred forty-four".
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