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71316017 = 294495477
BaseRepresentation
bin1000100000000…
…11001000110001
311222012020011222
410100003020301
5121224103032
611024314425
71524114263
oct420031061
9158166158
1071316017
113728a863
121ba72a15
1311a0c836
149685b33
1563daa12
hex4403231

71316017 has 8 divisors (see below), whose sum is σ = 73953000. Its totient is φ = 68690944.

The previous prime is 71316013. The next prime is 71316023. The reversal of 71316017 is 71061317.

It can be written as a sum of positive squares in 4 ways, for example, as 39551521 + 31764496 = 6289^2 + 5636^2 .

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 71316017 - 22 = 71316013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71316013) 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, 10283 + ... + 15759.

It is an arithmetic number, because the mean of its divisors is an integer number (9244125).

Almost surely, 271316017 is an apocalyptic number.

It is an amenable number.

71316017 is a deficient number, since it is larger than the sum of its proper divisors (2636983).

71316017 is a wasteful number, since it uses less digits than its factorization.

71316017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 71316017 is about 8444.8811122478. The cubic root of 71316017 is about 414.6952172587.

The spelling of 71316017 in words is "seventy-one million, three hundred sixteen thousand, seventeen".

Divisors: 1 29 449 5477 13021 158833 2459173 71316017