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71113967 = 414493863
BaseRepresentation
bin1000011110100…
…01110011101111
311221210222000122
410033101303233
5121201121332
611020115155
71522313231
oct417216357
9157728018
1071113967
1137161a81
121b995abb
131196b892
149632251
15639ac12
hex43d1cef

71113967 has 8 divisors (see below), whose sum is σ = 73029600. Its totient is φ = 69207040.

The previous prime is 71113949. The next prime is 71113993. The reversal of 71113967 is 76931117.

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 71113967 - 214 = 71097583 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 (71113927) 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, 16478 + ... + 20340.

It is an arithmetic number, because the mean of its divisors is an integer number (9128700).

Almost surely, 271113967 is an apocalyptic number.

71113967 is a deficient number, since it is larger than the sum of its proper divisors (1915633).

71113967 is a wasteful number, since it uses less digits than its factorization.

71113967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its digits is 7938, while the sum is 35.

The square root of 71113967 is about 8432.9097587962. The cubic root of 71113967 is about 414.3032135805.

The spelling of 71113967 in words is "seventy-one million, one hundred thirteen thousand, nine hundred sixty-seven".

Divisors: 1 41 449 3863 18409 158383 1734487 71113967