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8139343 = 29467601
BaseRepresentation
bin11111000011001001001111
3120022112002011
4133003021033
54040424333
6450242051
7126116602
oct37031117
916275064
108139343
11465a233
122886327
1318bc9a4
14111c339
15aab9cd
hex7c324f

8139343 has 8 divisors (see below), whose sum is σ = 8452080. Its totient is φ = 7828800.

The previous prime is 8139337. The next prime is 8139359. The reversal of 8139343 is 3439318.

8139343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8139343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8139743) 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, 13243 + ... + 13843.

It is an arithmetic number, because the mean of its divisors is an integer number (1056510).

Almost surely, 28139343 is an apocalyptic number.

8139343 is a deficient number, since it is larger than the sum of its proper divisors (312737).

8139343 is a wasteful number, since it uses less digits than its factorization.

8139343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its digits is 7776, while the sum is 31.

The square root of 8139343 is about 2852.9533820236. The cubic root of 8139343 is about 201.1545143262.

The spelling of 8139343 in words is "eight million, one hundred thirty-nine thousand, three hundred forty-three".

Divisors: 1 29 467 601 13543 17429 280667 8139343