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83075443 = 1131243623
BaseRepresentation
bin1001111001110…
…10000101110011
312210022200002021
410330322011303
5132231403233
612124332311
72026062313
oct474720563
9183280067
1083075443
11429918a0
12239a4097
1314299189
14b067443
15745ee2d
hex4f3a173

83075443 has 8 divisors (see below), whose sum is σ = 93551616. Its totient is φ = 73086600.

The previous prime is 83075423. The next prime is 83075449. The reversal of 83075443 is 34457038.

It is a happy number.

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 83075443 - 29 = 83074931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83075399 and 83075408.

It is not an unprimeable number, because it can be changed into a prime (83075449) 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, 121471 + ... + 122152.

It is an arithmetic number, because the mean of its divisors is an integer number (11693952).

Almost surely, 283075443 is an apocalyptic number.

83075443 is a deficient number, since it is larger than the sum of its proper divisors (10476173).

83075443 is a wasteful number, since it uses less digits than its factorization.

83075443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243665.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 83075443 is about 9114.5731112324. The cubic root of 83075443 is about 436.3391908562.

The spelling of 83075443 in words is "eighty-three million, seventy-five thousand, four hundred forty-three".

Divisors: 1 11 31 341 243623 2679853 7552313 83075443