Base | Representation |
---|---|
bin | 10110111110011… |
… | …111100101011111 |
3 | 222212100110121010 |
4 | 112332133211133 |
5 | 1242140343210 |
6 | 102130110303 |
7 | 12360351321 |
oct | 2676374537 |
9 | 885313533 |
10 | 385481055 |
11 | 188659693 |
12 | a911b393 |
13 | 61b29bcb |
14 | 392a5611 |
15 | 23c96920 |
hex | 16f9f95f |
385481055 has 32 divisors (see below), whose sum is σ = 624314880. Its totient is φ = 203091840.
The previous prime is 385481051. The next prime is 385481087. The reversal of 385481055 is 550184583.
It is not a de Polignac number, because 385481055 - 22 = 385481051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385481051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610590 + ... + 611220.
It is an arithmetic number, because the mean of its divisors is an integer number (19509840).
Almost surely, 2385481055 is an apocalyptic number.
385481055 is a deficient number, since it is larger than the sum of its proper divisors (238833825).
385481055 is a wasteful number, since it uses less digits than its factorization.
385481055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1071.
The product of its (nonzero) digits is 96000, while the sum is 39.
The square root of 385481055 is about 19633.6714600199. The cubic root of 385481055 is about 727.7815020474.
The spelling of 385481055 in words is "three hundred eighty-five million, four hundred eighty-one thousand, fifty-five".
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