Base | Representation |
---|---|
bin | 11011001111001… |
… | …01011101100110 |
3 | 120220221000211110 |
4 | 31213211131212 |
5 | 431442341440 |
6 | 34401045450 |
7 | 5443024662 |
oct | 1547453546 |
9 | 526830743 |
10 | 228480870 |
11 | 107a76072 |
12 | 64626886 |
13 | 384499a7 |
14 | 224b78a2 |
15 | 150d3080 |
hex | d9e5766 |
228480870 has 32 divisors (see below), whose sum is σ = 549301248. Its totient is φ = 60823008.
The previous prime is 228480869. The next prime is 228480949. The reversal of 228480870 is 78084822.
228480870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 11937 + ... + 24483.
It is an arithmetic number, because the mean of its divisors is an integer number (17165664).
Almost surely, 2228480870 is an apocalyptic number.
228480870 is an abundant number, since it is smaller than the sum of its proper divisors (320820378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228480870 is a wasteful number, since it uses less digits than its factorization.
228480870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13164.
The product of its (nonzero) digits is 57344, while the sum is 39.
The square root of 228480870 is about 15115.5836804273. The cubic root of 228480870 is about 611.3406596848.
The spelling of 228480870 in words is "two hundred twenty-eight million, four hundred eighty thousand, eight hundred seventy".
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