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338950387 = 675058961
BaseRepresentation
bin10100001100111…
…111100011110011
3212121210110112001
4110030333203303
51143232403022
653344514431
711254013356
oct2414774363
9777713461
10338950387
11164368496
129561ba17
13552b7979
143303229d
151eb54b27
hex1433f8f3

338950387 has 4 divisors (see below), whose sum is σ = 344009416. Its totient is φ = 333891360.

The previous prime is 338950363. The next prime is 338950399. The reversal of 338950387 is 783059833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783059833 = 5527141679.

It is a cyclic number.

It is not a de Polignac number, because 338950387 - 27 = 338950259 is a prime.

It is a super-2 number, since 2×3389503872 = 229774729694899538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338950307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529414 + ... + 2529547.

It is an arithmetic number, because the mean of its divisors is an integer number (86002354).

Almost surely, 2338950387 is an apocalyptic number.

338950387 is a deficient number, since it is larger than the sum of its proper divisors (5059029).

338950387 is an equidigital number, since it uses as much as digits as its factorization.

338950387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059028.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 338950387 is about 18410.6052860844. The cubic root of 338950387 is about 697.2342479243.

The spelling of 338950387 in words is "three hundred thirty-eight million, nine hundred fifty thousand, three hundred eighty-seven".

Divisors: 1 67 5058961 338950387