Base | Representation |
---|---|
bin | 11011001101000… |
… | …10000111101000 |
3 | 120220102000110020 |
4 | 31212202013220 |
5 | 431410030112 |
6 | 34351120440 |
7 | 5440465536 |
oct | 1546420750 |
9 | 526360406 |
10 | 228205032 |
11 | 1078a7900 |
12 | 64513120 |
13 | 38381283 |
14 | 22445156 |
15 | 1507b48c |
hex | d9a21e8 |
228205032 has 48 divisors (see below), whose sum is σ = 627100320. Its totient is φ = 69152160.
The previous prime is 228205027. The next prime is 228205039. The reversal of 228205032 is 230502822.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 228204993 and 228205011.
It is not an unprimeable number, because it can be changed into a prime (228205039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36388 + ... + 42195.
It is an arithmetic number, because the mean of its divisors is an integer number (13064590).
Almost surely, 2228205032 is an apocalyptic number.
228205032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
228205032 is an abundant number, since it is smaller than the sum of its proper divisors (398895288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228205032 is a wasteful number, since it uses less digits than its factorization.
228205032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78614 (or 78599 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 228205032 is about 15106.4566328441. The cubic root of 228205032 is about 611.0945429582.
Adding to 228205032 its reverse (230502822), we get a palindrome (458707854).
The spelling of 228205032 in words is "two hundred twenty-eight million, two hundred five thousand, thirty-two".
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