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1338674939 = 7563339679
BaseRepresentation
bin100111111001010…
…1000111011111011
310110021221201210022
41033302220323323
510220200044224
6340500241055
745113356250
oct11762507373
93407851708
101338674939
11627713328
123143a018b
13184459664
14c9b0b427
157c7ce65e
hex4fca8efb

1338674939 has 8 divisors (see below), whose sum is σ = 1532636160. Its totient is φ = 1145394216.

The previous prime is 1338674933. The next prime is 1338674977. The reversal of 1338674939 is 9394768331.

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 1338674939 - 24 = 1338674923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338674933) 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, 165899 + ... + 173780.

It is an arithmetic number, because the mean of its divisors is an integer number (191579520).

Almost surely, 21338674939 is an apocalyptic number.

1338674939 is a deficient number, since it is larger than the sum of its proper divisors (193961221).

1338674939 is an equidigital number, since it uses as much as digits as its factorization.

1338674939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340249.

The product of its digits is 2939328, while the sum is 53.

The square root of 1338674939 is about 36587.9070049108. The cubic root of 1338674939 is about 1102.1102573248.

The spelling of 1338674939 in words is "one billion, three hundred thirty-eight million, six hundred seventy-four thousand, nine hundred thirty-nine".

Divisors: 1 7 563 3941 339679 2377753 191239277 1338674939