Base | Representation |
---|---|
bin | 10110101101101… |
… | …110101101111100 |
3 | 222120002012112002 |
4 | 112231232231330 |
5 | 1240024232323 |
6 | 101452001432 |
7 | 12305116421 |
oct | 2655565574 |
9 | 876065462 |
10 | 381086588 |
11 | 186127aa3 |
12 | a7760278 |
13 | 60c4b92c |
14 | 3887dd48 |
15 | 236c9828 |
hex | 16b6eb7c |
381086588 has 6 divisors (see below), whose sum is σ = 666901536. Its totient is φ = 190543292.
The previous prime is 381086579. The next prime is 381086611. The reversal of 381086588 is 885680183.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47635820 + ... + 47635827.
It is an arithmetic number, because the mean of its divisors is an integer number (111150256).
Almost surely, 2381086588 is an apocalyptic number.
It is an amenable number.
381086588 is a deficient number, since it is larger than the sum of its proper divisors (285814948).
381086588 is a wasteful number, since it uses less digits than its factorization.
381086588 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95271651 (or 95271649 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 47.
The square root of 381086588 is about 19521.4391887484. The cubic root of 381086588 is about 725.0053669044.
The spelling of 381086588 in words is "three hundred eighty-one million, eighty-six thousand, five hundred eighty-eight".
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