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71064327 = 323688109
BaseRepresentation
bin1000011110001…
…01101100000111
311221201102221010
410033011230013
5121143024302
611015053303
71522015425
oct417055407
9157642833
1071064327
1137128754
121b971233
13119520c9
14961c115
15638b16c
hex43c5b07

71064327 has 4 divisors (see below), whose sum is σ = 94752440. Its totient is φ = 47376216.

The previous prime is 71064311. The next prime is 71064359. The reversal of 71064327 is 72346017.

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

It is not a de Polignac number, because 71064327 - 24 = 71064311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71064294 and 71064303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71064127) 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 3 ways as a sum of consecutive naturals, for example, 11844052 + ... + 11844057.

It is an arithmetic number, because the mean of its divisors is an integer number (23688110).

Almost surely, 271064327 is an apocalyptic number.

71064327 is a deficient number, since it is larger than the sum of its proper divisors (23688113).

71064327 is a wasteful number, since it uses less digits than its factorization.

71064327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23688112.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 71064327 is about 8429.9660141664. The cubic root of 71064327 is about 414.2067918343.

The spelling of 71064327 in words is "seventy-one million, sixty-four thousand, three hundred twenty-seven".

Divisors: 1 3 23688109 71064327