Base | Representation |
---|---|
bin | 10110101110110… |
… | …001000111101000 |
3 | 222120121000121102 |
4 | 112232301013220 |
5 | 1240111433233 |
6 | 101501500532 |
7 | 12310331363 |
oct | 2656610750 |
9 | 876530542 |
10 | 381358568 |
11 | 1862a3378 |
12 | a7871748 |
13 | 61015676 |
14 | 389110da |
15 | 237301e8 |
hex | 16bb11e8 |
381358568 has 16 divisors (see below), whose sum is σ = 715606080. Its totient is φ = 190530288.
The previous prime is 381358567. The next prime is 381358583. The reversal of 381358568 is 865853183.
It is a super-3 number, since 3×3813585683 (a number of 27 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (381358567) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7346 + ... + 28577.
It is an arithmetic number, because the mean of its divisors is an integer number (44725380).
Almost surely, 2381358568 is an apocalyptic number.
It is an amenable number.
381358568 is a deficient number, since it is larger than the sum of its proper divisors (334247512).
381358568 is a wasteful number, since it uses less digits than its factorization.
381358568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37256 (or 37252 counting only the distinct ones).
The product of its digits is 691200, while the sum is 47.
The square root of 381358568 is about 19528.4041334667. The cubic root of 381358568 is about 725.1778037153.
The spelling of 381358568 in words is "three hundred eighty-one million, three hundred fifty-eight thousand, five hundred sixty-eight".
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