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82468919 = 1335317971
BaseRepresentation
bin1001110101001…
…10000000110111
312202011212002102
410322212000313
5132103001134
612103332315
72020655111
oct472460067
9182155072
1082468919
1142608135
122375109b
13141160a0
14ad4a3b1
15739037e
hex4ea6037

82468919 has 8 divisors (see below), whose sum is σ = 89069232. Its totient is φ = 75905280.

The previous prime is 82468909. The next prime is 82468957. The reversal of 82468919 is 91986428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82468919 - 216 = 82403383 is a prime.

It is a super-2 number, since 2×824689192 = 13602245202057122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82468909) by changing a digit.

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, 4397 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (11133654).

Almost surely, 282468919 is an apocalyptic number.

82468919 is a deficient number, since it is larger than the sum of its proper divisors (6600313).

82468919 is a wasteful number, since it uses less digits than its factorization.

82468919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18337.

The product of its digits is 248832, while the sum is 47.

The square root of 82468919 is about 9081.2399483771. The cubic root of 82468919 is about 435.2747091158.

The spelling of 82468919 in words is "eighty-two million, four hundred sixty-eight thousand, nine hundred nineteen".

Divisors: 1 13 353 4589 17971 233623 6343763 82468919