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82005838 = 237261491
BaseRepresentation
bin1001110001101…
…00111101001110
312201022022212021
410320310331032
5131443141323
612045400354
72014016035
oct470647516
9181268767
1082005838
1142321222
12235690ba
1313cb3385
14ac6971c
1572ed05d
hex4e34f4e

82005838 has 24 divisors (see below), whose sum is σ = 128757384. Its totient is φ = 39160800.

The previous prime is 82005829. The next prime is 82005853. The reversal of 82005838 is 83850028.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166773 + ... + 167263.

It is an arithmetic number, because the mean of its divisors is an integer number (5364891).

Almost surely, 282005838 is an apocalyptic number.

82005838 is a deficient number, since it is larger than the sum of its proper divisors (46751546).

82005838 is a wasteful number, since it uses less digits than its factorization.

82005838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 82005838 is about 9055.7074820248. The cubic root of 82005838 is about 434.4584585285.

The spelling of 82005838 in words is "eighty-two million, five thousand, eight hundred thirty-eight".

Divisors: 1 2 37 61 74 122 491 982 1369 2257 2738 4514 18167 29951 36334 59902 83509 167018 672179 1108187 1344358 2216374 41002919 82005838