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82019344 = 2411466019
BaseRepresentation
bin1001110001110…
…00010000010000
312201100000101111
410320320100100
5131444104334
612045543104
72014103311
oct470702020
9181300344
1082019344
1142330390
1223574a94
1313cb9574
14ac70608
157302064
hex4e38410

82019344 has 20 divisors (see below), whose sum is σ = 173359440. Its totient is φ = 37281440.

The previous prime is 82019321. The next prime is 82019347. The reversal of 82019344 is 44391028.

It is not an unprimeable number, because it can be changed into a prime (82019347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232834 + ... + 233185.

It is an arithmetic number, because the mean of its divisors is an integer number (8667972).

Almost surely, 282019344 is an apocalyptic number.

It is an amenable number.

82019344 is an abundant number, since it is smaller than the sum of its proper divisors (91340096).

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

82019344 is a wasteful number, since it uses less digits than its factorization.

82019344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466038 (or 466032 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 82019344 is about 9056.4531688736. The cubic root of 82019344 is about 434.4823083502.

It can be divided in two parts, 820 and 19344, that added together give a square (20164 = 1422).

The spelling of 82019344 in words is "eighty-two million, nineteen thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 466019 932038 1864076 3728152 5126209 7456304 10252418 20504836 41009672 82019344