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1232381339 = 7176054477
BaseRepresentation
bin100100101110100…
…1010010110011011
310011212221110101022
41021131022112123
510010442200324
6322142113055
742353032340
oct11135122633
93155843338
101232381339
11582713382
122a487b78b
13168421337
14b995c7c7
15732d505e
hex4974a59b

1232381339 has 4 divisors (see below), whose sum is σ = 1408435824. Its totient is φ = 1056326856.

The previous prime is 1232381327. The next prime is 1232381369. The reversal of 1232381339 is 9331832321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232381339 - 28 = 1232381083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232381299 and 1232381308.

It is not an unprimeable number, because it can be changed into a prime (1232381369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88027232 + ... + 88027245.

It is an arithmetic number, because the mean of its divisors is an integer number (352108956).

Almost surely, 21232381339 is an apocalyptic number.

1232381339 is a deficient number, since it is larger than the sum of its proper divisors (176054485).

1232381339 is an equidigital number, since it uses as much as digits as its factorization.

1232381339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176054484.

The product of its digits is 23328, while the sum is 35.

The square root of 1232381339 is about 35105.2893308117. The cubic root of 1232381339 is about 1072.1322778383.

The spelling of 1232381339 in words is "one billion, two hundred thirty-two million, three hundred eighty-one thousand, three hundred thirty-nine".

Divisors: 1 7 176054477 1232381339