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82390336 = 267183907
BaseRepresentation
bin1001110100100…
…10110101000000
312202000212021221
410322102311000
5132042442321
612101524424
72020210030
oct472226500
9182025257
1082390336
1142564096
1223713714
13140b93a2
14ad298c0
157376e41
hex4e92d40

82390336 has 28 divisors (see below), whose sum is σ = 186850528. Its totient is φ = 35309952.

The previous prime is 82390309. The next prime is 82390337. The reversal of 82390336 is 63309328.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82390337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91506 + ... + 92401.

Almost surely, 282390336 is an apocalyptic number.

It is an amenable number.

82390336 is an abundant number, since it is smaller than the sum of its proper divisors (104460192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82390336 is a wasteful number, since it uses less digits than its factorization.

82390336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183926 (or 183916 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 82390336 is about 9076.9122503195. The cubic root of 82390336 is about 435.1364102952.

The spelling of 82390336 in words is "eighty-two million, three hundred ninety thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 183907 367814 735628 1287349 1471256 2574698 2942512 5149396 5885024 10298792 11770048 20597584 41195168 82390336