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82004517 = 32731199211
BaseRepresentation
bin1001110001101…
…00101000100101
312201022021001100
410320310220211
5131443121032
612045350313
72014012140
oct470645045
9181267040
1082004517
1142320231
1223568399
1313cb28aa
14ac69057
1572ec97c
hex4e34a25

82004517 has 48 divisors (see below), whose sum is σ = 141107200. Its totient is φ = 44906400.

The previous prime is 82004509. The next prime is 82004521. The reversal of 82004517 is 71540028.

82004517 is a `hidden beast` number, since 8 + 200 + 451 + 7 = 666.

It is not a de Polignac number, because 82004517 - 23 = 82004509 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 (82004567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388542 + ... + 388752.

Almost surely, 282004517 is an apocalyptic number.

It is an amenable number.

82004517 is a deficient number, since it is larger than the sum of its proper divisors (59102683).

82004517 is a wasteful number, since it uses less digits than its factorization.

82004517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 82004517 is about 9055.6345443044. The cubic root of 82004517 is about 434.4561256755.

The spelling of 82004517 in words is "eighty-two million, four thousand, five hundred seventeen".

Divisors: 1 3 7 9 21 31 63 93 199 211 217 279 597 633 651 1393 1477 1791 1899 1953 4179 4431 6169 6541 12537 13293 18507 19623 41989 43183 45787 55521 58869 125967 129549 137361 293923 377901 388647 412083 881769 1301659 2645307 3904977 9111613 11714931 27334839 82004517