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71083007 = 227487643
BaseRepresentation
bin1000011110010…
…10001111111111
311221202101112222
410033022033333
5121144124012
611015315555
71522124042
oct417121777
9157671488
1071083007
1137140796
121b97bbbb
131195a768
149624c59
156391972
hex43ca3ff

71083007 has 8 divisors (see below), whose sum is σ = 71654016. Its totient is φ = 70514712.

The previous prime is 71083003. The next prime is 71083027. The reversal of 71083007 is 70038017.

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 71083007 - 22 = 71083003 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 (71083003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110228 + ... + 110870.

It is an arithmetic number, because the mean of its divisors is an integer number (8956752).

Almost surely, 271083007 is an apocalyptic number.

71083007 is a deficient number, since it is larger than the sum of its proper divisors (571009).

71083007 is a wasteful number, since it uses less digits than its factorization.

71083007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 71083007 is about 8431.0738936389. The cubic root of 71083007 is about 414.2430815141.

The spelling of 71083007 in words is "seventy-one million, eighty-three thousand, seven".

Divisors: 1 227 487 643 110549 145961 313141 71083007