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82542875 = 532272909
BaseRepresentation
bin1001110101110…
…00000100011011
312202022121112112
410322320010123
5132112333000
612105102535
72021413532
oct472700433
9182277475
1082542875
1142658758
1223787a4b
131414094c
14ad69319
1573a7235
hex4eb811b

82542875 has 16 divisors (see below), whose sum is σ = 103502880. Its totient is φ = 65720800.

The previous prime is 82542869. The next prime is 82542917. The reversal of 82542875 is 57824528.

It is not a de Polignac number, because 82542875 - 214 = 82526491 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26921 + ... + 29829.

It is an arithmetic number, because the mean of its divisors is an integer number (6468930).

Almost surely, 282542875 is an apocalyptic number.

82542875 is a deficient number, since it is larger than the sum of its proper divisors (20960005).

82542875 is a wasteful number, since it uses less digits than its factorization.

82542875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3141 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 82542875 is about 9085.3109467976. The cubic root of 82542875 is about 435.4047846191.

The spelling of 82542875 in words is "eighty-two million, five hundred forty-two thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 227 1135 2909 5675 14545 28375 72725 363625 660343 3301715 16508575 82542875