Base | Representation |
---|---|
bin | 11011010010001… |
… | …01011000100000 |
3 | 120221122222202221 |
4 | 31221011120200 |
5 | 432042430020 |
6 | 34413320424 |
7 | 5446252303 |
oct | 1551053040 |
9 | 527588687 |
10 | 228873760 |
11 | 108214275 |
12 | 64796114 |
13 | 3855677b |
14 | 2257ab3a |
15 | 1515e6aa |
hex | da45620 |
228873760 has 24 divisors (see below), whose sum is σ = 540714636. Its totient is φ = 91549440.
The previous prime is 228873739. The next prime is 228873763. The reversal of 228873760 is 67378822.
It can be written as a sum of positive squares in 2 ways, for example, as 228735376 + 138384 = 15124^2 + 372^2 .
It is not an unprimeable number, because it can be changed into a prime (228873763) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715071 + ... + 715390.
Almost surely, 2228873760 is an apocalyptic number.
228873760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228873760 is an abundant number, since it is smaller than the sum of its proper divisors (311840876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228873760 is a wasteful number, since it uses less digits than its factorization.
228873760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1430476 (or 1430468 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 43.
The square root of 228873760 is about 15128.5742884120. The cubic root of 228873760 is about 611.6908744001.
The spelling of 228873760 in words is "two hundred twenty-eight million, eight hundred seventy-three thousand, seven hundred sixty".
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