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338270387 = 7133717257
BaseRepresentation
bin10100001010011…
…001100010110011
3212120111220201212
4110022121202303
51143044123022
653322150335
711245152020
oct2412314263
9776456655
10338270387
11163a43604
12953523ab
135510a2c0
1432cd6547
151ea6d3e2
hex142998b3

338270387 has 8 divisors (see below), whose sum is σ = 416332896. Its totient is φ = 267642432.

The previous prime is 338270353. The next prime is 338270431. The reversal of 338270387 is 783072833.

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

It is a cyclic number.

It is not a de Polignac number, because 338270387 - 218 = 338008243 is a prime.

It is a super-2 number, since 2×3382703872 = 228853709442259538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338270987) 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, 1858538 + ... + 1858719.

It is an arithmetic number, because the mean of its divisors is an integer number (52041612).

Almost surely, 2338270387 is an apocalyptic number.

338270387 is a deficient number, since it is larger than the sum of its proper divisors (78062509).

338270387 is a wasteful number, since it uses less digits than its factorization.

338270387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717277.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 338270387 is about 18392.1283977684. The cubic root of 338270387 is about 696.7676735436.

The spelling of 338270387 in words is "three hundred thirty-eight million, two hundred seventy thousand, three hundred eighty-seven".

Divisors: 1 7 13 91 3717257 26020799 48324341 338270387