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338662641 = 31315091693
BaseRepresentation
bin10100001011111…
…001010011110001
3212121020211210210
4110023321103301
51143144201031
653334414333
711251404432
oct2413712361
9777224723
10338662641
11164191289
12955013a9
13552169c5
1432d99489
151eae9746
hex142f94f1

338662641 has 16 divisors (see below), whose sum is σ = 456160320. Its totient is φ = 223479360.

The previous prime is 338662613. The next prime is 338662657. The reversal of 338662641 is 146266833.

It is not a de Polignac number, because 338662641 - 214 = 338646257 is a prime.

It is a super-2 number, since 2×3386626412 = 229384768818189762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338662641.

It is not an unprimeable number, because it can be changed into a prime (338662601) 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, 199191 + ... + 200883.

It is an arithmetic number, because the mean of its divisors is an integer number (28510020).

Almost surely, 2338662641 is an apocalyptic number.

It is an amenable number.

338662641 is a deficient number, since it is larger than the sum of its proper divisors (117497679).

338662641 is a wasteful number, since it uses less digits than its factorization.

338662641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its digits is 124416, while the sum is 39.

The square root of 338662641 is about 18402.7889462440. The cubic root of 338662641 is about 697.0368904613.

The spelling of 338662641 in words is "three hundred thirty-eight million, six hundred sixty-two thousand, six hundred forty-one".

Divisors: 1 3 131 393 509 1527 1693 5079 66679 200037 221783 665349 861737 2585211 112887547 338662641