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82019476 = 22711266297
BaseRepresentation
bin1001110001110…
…00010010010100
312201100000120101
410320320102110
5131444110401
612045543444
72014103560
oct470702224
9181300511
1082019476
11423304a0
1223574b84
1313cb9646
14ac706a0
157302101
hex4e38494

82019476 has 24 divisors (see below), whose sum is σ = 178952256. Its totient is φ = 31955520.

The previous prime is 82019471. The next prime is 82019477. The reversal of 82019476 is 67491028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82019471) 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 7 ways as a sum of consecutive naturals, for example, 132841 + ... + 133456.

It is an arithmetic number, because the mean of its divisors is an integer number (7456344).

Almost surely, 282019476 is an apocalyptic number.

It is an amenable number.

82019476 is an abundant number, since it is smaller than the sum of its proper divisors (96932780).

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

82019476 is a wasteful number, since it uses less digits than its factorization.

82019476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266319 (or 266317 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82019476 is about 9056.4604564918. The cubic root of 82019476 is about 434.4825414319.

The spelling of 82019476 in words is "eighty-two million, nineteen thousand, four hundred seventy-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 266297 532594 1065188 1864079 2929267 3728158 5858534 7456316 11717068 20504869 41009738 82019476