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82017671 = 41297503
BaseRepresentation
bin1001110001101…
…11110110000111
312201022221002112
410320313312013
5131444031141
612045531235
72014065401
oct470676607
9181287075
1082017671
114232a0aa
1223573b1b
1313cb8888
14ac6db71
1573017eb
hex4e37d87

82017671 has 12 divisors (see below), whose sum is σ = 85102416. Its totient is φ = 79034880.

The previous prime is 82017667. The next prime is 82017703. The reversal of 82017671 is 17671028.

It is not a de Polignac number, because 82017671 - 22 = 82017667 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 (82017071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162806 + ... + 163308.

It is an arithmetic number, because the mean of its divisors is an integer number (7091868).

Almost surely, 282017671 is an apocalyptic number.

82017671 is a deficient number, since it is larger than the sum of its proper divisors (3084745).

82017671 is an equidigital number, since it uses as much as digits as its factorization.

82017671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 82017671 is about 9056.3608033249. The cubic root of 82017671 is about 434.4793541940.

Adding to 82017671 its reverse (17671028), we get a palindrome (99688699).

The spelling of 82017671 in words is "eighty-two million, seventeen thousand, six hundred seventy-one".

Divisors: 1 41 97 503 1681 3977 20623 48791 163057 845543 2000431 82017671