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338744049 = 3716130669
BaseRepresentation
bin10100001100001…
…101001011110001
3212121101222110220
4110030031023301
51143204302144
653340243253
711252163660
oct2414151361
9777358426
10338744049
11164237466
1295540529
1355244a87
1432dbadd7
151eb13919
hex1430d2f1

338744049 has 8 divisors (see below), whose sum is σ = 516181440. Its totient is φ = 193568016.

The previous prime is 338744047. The next prime is 338744089. The reversal of 338744049 is 940447833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 338744049 - 21 = 338744047 is a prime.

It is a super-2 number, since 2×3387440492 = 229495061465828802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 338744049.

It is not an unprimeable number, because it can be changed into a prime (338744047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8065314 + ... + 8065355.

It is an arithmetic number, because the mean of its divisors is an integer number (64522680).

Almost surely, 2338744049 is an apocalyptic number.

It is an amenable number.

338744049 is a deficient number, since it is larger than the sum of its proper divisors (177437391).

338744049 is a wasteful number, since it uses less digits than its factorization.

338744049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16130679.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 338744049 is about 18405.0006519967. Note that the first 3 decimals coincide. The cubic root of 338744049 is about 697.0927374175.

The spelling of 338744049 in words is "three hundred thirty-eight million, seven hundred forty-four thousand, forty-nine".

Divisors: 1 3 7 21 16130669 48392007 112914683 338744049