Base | Representation |
---|---|
bin | 10111000100111… |
… | …001110000101101 |
3 | 222222111211020020 |
4 | 113010321300231 |
5 | 1243103124013 |
6 | 102230112353 |
7 | 12410546442 |
oct | 2704716055 |
9 | 888454206 |
10 | 387161133 |
11 | 1895a6987 |
12 | a97ab6b9 |
13 | 62297838 |
14 | 395c19c9 |
15 | 23ec9623 |
hex | 17139c2d |
387161133 has 16 divisors (see below), whose sum is σ = 522096960. Its totient is φ = 255177216.
The previous prime is 387161123. The next prime is 387161141. The reversal of 387161133 is 331161783.
It is not a de Polignac number, because 387161133 - 220 = 386112557 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 387161094 and 387161103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387161123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190941 + ... + 192957.
It is an arithmetic number, because the mean of its divisors is an integer number (32631060).
Almost surely, 2387161133 is an apocalyptic number.
It is an amenable number.
387161133 is a deficient number, since it is larger than the sum of its proper divisors (134935827).
387161133 is a wasteful number, since it uses less digits than its factorization.
387161133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2716.
The product of its digits is 9072, while the sum is 33.
The square root of 387161133 is about 19676.4105720530. The cubic root of 387161133 is about 728.8372889959.
The spelling of 387161133 in words is "three hundred eighty-seven million, one hundred sixty-one thousand, one hundred thirty-three".
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