Base | Representation |
---|---|
bin | 10111001001001… |
… | …000000000110011 |
3 | 1000001121001200101 |
4 | 113021020000303 |
5 | 1243344034313 |
6 | 102305533231 |
7 | 12423136630 |
oct | 2711100063 |
9 | 1001531611 |
10 | 388268083 |
11 | 18a192615 |
12 | aa044217 |
13 | 62594638 |
14 | 397cd187 |
15 | 241475dd |
hex | 17248033 |
388268083 has 32 divisors (see below), whose sum is σ = 494567424. Its totient is φ = 296980992.
The previous prime is 388268077. The next prime is 388268131. The reversal of 388268083 is 380862883.
It is not a de Polignac number, because 388268083 - 25 = 388268051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (388268033) 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 31 ways as a sum of consecutive naturals, for example, 347041 + ... + 348157.
It is an arithmetic number, because the mean of its divisors is an integer number (15455232).
Almost surely, 2388268083 is an apocalyptic number.
388268083 is a deficient number, since it is larger than the sum of its proper divisors (106299341).
388268083 is a wasteful number, since it uses less digits than its factorization.
388268083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1291.
The product of its (nonzero) digits is 442368, while the sum is 46.
The square root of 388268083 is about 19704.5193547064. The cubic root of 388268083 is about 729.5312453195.
The spelling of 388268083 in words is "three hundred eighty-eight million, two hundred sixty-eight thousand, eighty-three".
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