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82748382 = 2319725863
BaseRepresentation
bin1001110111010…
…10001111011110
312202201001102220
410323222033132
5132140422012
612113330210
72023230633
oct473521736
9182631386
1082748382
11427890a2
1223866966
13141b3352
14adc018a
1573e808c
hex4eea3de

82748382 has 16 divisors (see below), whose sum is σ = 174207360. Its totient is φ = 26131032.

The previous prime is 82748381. The next prime is 82748389. The reversal of 82748382 is 28384728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82748381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362818 + ... + 363045.

It is an arithmetic number, because the mean of its divisors is an integer number (10887960).

Almost surely, 282748382 is an apocalyptic number.

82748382 is an abundant number, since it is smaller than the sum of its proper divisors (91458978).

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

82748382 is a wasteful number, since it uses less digits than its factorization.

82748382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725887.

The product of its digits is 172032, while the sum is 42.

The square root of 82748382 is about 9096.6137655723. The cubic root of 82748382 is about 435.7658275931.

The spelling of 82748382 in words is "eighty-two million, seven hundred forty-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 19 38 57 114 725863 1451726 2177589 4355178 13791397 27582794 41374191 82748382