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71007041 = 710143863
BaseRepresentation
bin1000011101101…
…11101101000001
311221121112100102
410032313231001
5121134211131
611013532145
71521356420
oct416675501
9157545312
1071007041
1137099706
121b944055
1311932001
1496052b7
1563791cb
hex43b7b41

71007041 has 4 divisors (see below), whose sum is σ = 81150912. Its totient is φ = 60863172.

The previous prime is 71007037. The next prime is 71007043. The reversal of 71007041 is 14070017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71007041 - 22 = 71007037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71007043) 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, 5071925 + ... + 5071938.

It is an arithmetic number, because the mean of its divisors is an integer number (20287728).

Almost surely, 271007041 is an apocalyptic number.

It is an amenable number.

71007041 is a deficient number, since it is larger than the sum of its proper divisors (10143871).

71007041 is a wasteful number, since it uses less digits than its factorization.

71007041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143870.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 71007041 is about 8426.5675693013. The cubic root of 71007041 is about 414.0954625170.

Adding to 71007041 its reverse (14070017), we get a palindrome (85077058).

It can be divided in two parts, 7100 and 7041, that added together give a palindrome (14141).

The spelling of 71007041 in words is "seventy-one million, seven thousand, forty-one".

Divisors: 1 7 10143863 71007041