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82549712 = 2472711483
BaseRepresentation
bin1001110101110…
…01101111010000
312202022221220202
410322321233100
5132113042322
612105154332
72021442500
oct472715720
9182287822
1082549712
1142662903
122378b9a8
1314143aab
14ad6ba00
1573a9292
hex4eb9bd0

82549712 has 60 divisors (see below), whose sum is σ = 188800416. Its totient is φ = 34856640.

The previous prime is 82549711. The next prime is 82549717. The reversal of 82549712 is 21794528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82549711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54923 + ... + 56405.

Almost surely, 282549712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82549712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94400208).

82549712 is an abundant number, since it is smaller than the sum of its proper divisors (106250704).

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

82549712 is a wasteful number, since it uses less digits than its factorization.

82549712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1563 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 82549712 is about 9085.6872057099. The cubic root of 82549712 is about 435.4168057670.

The spelling of 82549712 in words is "eighty-two million, five hundred forty-nine thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 49 56 71 98 112 142 196 284 392 497 568 784 994 1136 1483 1988 2966 3479 3976 5932 6958 7952 10381 11864 13916 20762 23728 27832 41524 55664 72667 83048 105293 145334 166096 210586 290668 421172 581336 737051 842344 1162672 1474102 1684688 2948204 5159357 5896408 10318714 11792816 20637428 41274856 82549712