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338249717 = 13229113621
BaseRepresentation
bin10100001010010…
…100011111110101
3212120110212101022
4110022110133311
51143042442332
653321510525
711245034531
oct2412243765
9776425338
10338249717
11163a2a023
1295342445
1355100a80
1432cccbc1
151ea67212
hex142947f5

338249717 has 8 divisors (see below), whose sum is σ = 365862840. Its totient is φ = 310864320.

The previous prime is 338249693. The next prime is 338249759. The reversal of 338249717 is 717942833.

It can be written as a sum of positive squares in 4 ways, for example, as 65141041 + 273108676 = 8071^2 + 16526^2 .

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

It is not a de Polignac number, because 338249717 - 210 = 338248693 is a prime.

It is a super-2 number, since 2×3382497172 = 228825742101160178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338249117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53834 + ... + 59787.

It is an arithmetic number, because the mean of its divisors is an integer number (45732855).

Almost surely, 2338249717 is an apocalyptic number.

It is an amenable number.

338249717 is a deficient number, since it is larger than the sum of its proper divisors (27613123).

338249717 is a wasteful number, since it uses less digits than its factorization.

338249717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113863.

The product of its digits is 254016, while the sum is 44.

The square root of 338249717 is about 18391.5664640074. The cubic root of 338249717 is about 696.7534812665.

The spelling of 338249717 in words is "three hundred thirty-eight million, two hundred forty-nine thousand, seven hundred seventeen".

Divisors: 1 13 229 2977 113621 1477073 26019209 338249717