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82008351 = 3219479581
BaseRepresentation
bin1001110001101…
…01100100011111
312201022110022100
410320311210133
5131443231401
612045420143
72014026255
oct470654437
9181273270
1082008351
11423230a7
122356a653
1313cb4569
14ac6a5d5
1572edb86
hex4e3591f

82008351 has 12 divisors (see below), whose sum is σ = 124691320. Its totient is φ = 51794640.

The previous prime is 82008349. The next prime is 82008371. The reversal of 82008351 is 15380028.

It is a happy number.

It is not a de Polignac number, because 82008351 - 21 = 82008349 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 (82008341) 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, 239620 + ... + 239961.

Almost surely, 282008351 is an apocalyptic number.

82008351 is a deficient number, since it is larger than the sum of its proper divisors (42682969).

82008351 is a wasteful number, since it uses less digits than its factorization.

82008351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479606 (or 479603 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 82008351 is about 9055.8462332352. The cubic root of 82008351 is about 434.4628963546.

Adding to 82008351 its reverse (15380028), we get a palindrome (97388379).

The spelling of 82008351 in words is "eighty-two million, eight thousand, three hundred fifty-one".

Divisors: 1 3 9 19 57 171 479581 1438743 4316229 9112039 27336117 82008351