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338390379 = 351392553
BaseRepresentation
bin10100001010110…
…110110101101011
3212120202000100000
4110022312311223
51143111443004
653324514043
711246161605
oct2412666553
9776660300
10338390379
11164015778
12953ab923
135514cac2
1432d28175
151ea93c39
hex142b6d6b

338390379 has 12 divisors (see below), whose sum is σ = 506889656. Its totient is φ = 225593424.

The previous prime is 338390369. The next prime is 338390407. The reversal of 338390379 is 973093833.

It is not a de Polignac number, because 338390379 - 25 = 338390347 is a prime.

It is a super-2 number, since 2×3383903792 = 229016097199527282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338390309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696034 + ... + 696519.

Almost surely, 2338390379 is an apocalyptic number.

338390379 is a deficient number, since it is larger than the sum of its proper divisors (168499277).

338390379 is an equidigital number, since it uses as much as digits as its factorization.

338390379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392568 (or 1392556 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The square root of 338390379 is about 18395.3901562321. The cubic root of 338390379 is about 696.8500501139.

The spelling of 338390379 in words is "three hundred thirty-eight million, three hundred ninety thousand, three hundred seventy-nine".

Divisors: 1 3 9 27 81 243 1392553 4177659 12532977 37598931 112796793 338390379