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82879343 = 201141213
BaseRepresentation
bin1001111000010…
…10001101101111
312202221201002022
410330022031233
5132204114333
612120220355
72024314511
oct474121557
9182851068
1082879343
1142868528
122390a6bb
131422ab41
14b015bb1
157421c98
hex4f0a36f

82879343 has 4 divisors (see below), whose sum is σ = 82922568. Its totient is φ = 82836120.

The previous prime is 82879331. The next prime is 82879367. The reversal of 82879343 is 34397828.

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 82879343 - 28 = 82879087 is a prime.

It is a super-2 number, since 2×828793432 = 13737970992223298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82879294 and 82879303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82879543) 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, 18596 + ... + 22617.

It is an arithmetic number, because the mean of its divisors is an integer number (20730642).

Almost surely, 282879343 is an apocalyptic number.

82879343 is a deficient number, since it is larger than the sum of its proper divisors (43225).

82879343 is a wasteful number, since it uses less digits than its factorization.

82879343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43224.

The product of its digits is 290304, while the sum is 44.

The square root of 82879343 is about 9103.8092576679. The cubic root of 82879343 is about 435.9955934100.

The spelling of 82879343 in words is "eighty-two million, eight hundred seventy-nine thousand, three hundred forty-three".

Divisors: 1 2011 41213 82879343