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82911422 = 21131121571
BaseRepresentation
bin1001111000100…
…10000010111110
312210000100002102
410330102002332
5132211131142
612121025102
72024510156
oct474220276
9183010072
1082911422
114288a640
1223925192
131423c619
14b023766
15742b532
hex4f120be

82911422 has 16 divisors (see below), whose sum is σ = 140050944. Its totient is φ = 36471000.

The previous prime is 82911403. The next prime is 82911443. The reversal of 82911422 is 22411928.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60104 + ... + 61467.

It is an arithmetic number, because the mean of its divisors is an integer number (8753184).

Almost surely, 282911422 is an apocalyptic number.

82911422 is a deficient number, since it is larger than the sum of its proper divisors (57139522).

82911422 is a wasteful number, since it uses less digits than its factorization.

82911422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121615.

The product of its digits is 2304, while the sum is 29.

The square root of 82911422 is about 9105.5709321272. The cubic root of 82911422 is about 436.0518378171.

The spelling of 82911422 in words is "eighty-two million, nine hundred eleven thousand, four hundred twenty-two".

Divisors: 1 2 11 22 31 62 341 682 121571 243142 1337281 2674562 3768701 7537402 41455711 82911422