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381358568 = 23132735923
BaseRepresentation
bin10110101110110…
…001000111101000
3222120121000121102
4112232301013220
51240111433233
6101501500532
712310331363
oct2656610750
9876530542
10381358568
111862a3378
12a7871748
1361015676
14389110da
15237301e8
hex16bb11e8

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".

Divisors: 1 2 4 8 1327 2654 5308 10616 35923 71846 143692 287384 47669821 95339642 190679284 381358568