Base | Representation |
---|---|
bin | 11011001111101… |
… | …10000011111100 |
3 | 120221001111002121 |
4 | 31213312003330 |
5 | 432002030420 |
6 | 34402332324 |
7 | 5443430131 |
oct | 1547660374 |
9 | 527044077 |
10 | 228548860 |
11 | 108012161 |
12 | 6465a0a4 |
13 | 38471917 |
14 | 224d4588 |
15 | 150e82aa |
hex | d9f60fc |
228548860 has 24 divisors (see below), whose sum is σ = 484708896. Its totient is φ = 90513600.
The previous prime is 228548849. The next prime is 228548869. The reversal of 228548860 is 68845822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228548869) 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 7 ways as a sum of consecutive naturals, for example, 54552 + ... + 58591.
It is an arithmetic number, because the mean of its divisors is an integer number (20196204).
Almost surely, 2228548860 is an apocalyptic number.
228548860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228548860 is an abundant number, since it is smaller than the sum of its proper divisors (256160036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228548860 is a wasteful number, since it uses less digits than its factorization.
228548860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113253 (or 113251 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 43.
The square root of 228548860 is about 15117.8325166010. The cubic root of 228548860 is about 611.4012933960.
The spelling of 228548860 in words is "two hundred twenty-eight million, five hundred forty-eight thousand, eight hundred sixty".
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