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82575078 = 2313762513
BaseRepresentation
bin1001110101111…
…11111011100110
312202101020201020
410322333323212
5132114400303
612105512010
72021606445
oct472777346
9182336636
1082575078
114267a973
12237a2606
13141524c1
14ad76d5c
1573b1a53
hex4ebfee6

82575078 has 8 divisors (see below), whose sum is σ = 165150168. Its totient is φ = 27525024.

The previous prime is 82575067. The next prime is 82575079. The reversal of 82575078 is 87057528.

It is a happy number.

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

82575078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82575079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6881251 + ... + 6881262.

It is an arithmetic number, because the mean of its divisors is an integer number (20643771).

Almost surely, 282575078 is an apocalyptic number.

82575078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82575078 is a wasteful number, since it uses less digits than its factorization.

82575078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13762518.

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 82575078 is about 9087.0830303239. The cubic root of 82575078 is about 435.4613997106.

The spelling of 82575078 in words is "eighty-two million, five hundred seventy-five thousand, seventy-eight".

Divisors: 1 2 3 6 13762513 27525026 41287539 82575078