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82825249 = 1335917747
BaseRepresentation
bin1001110111111…
…01000000100001
312202211221212211
410323331000201
5132200401444
612115122121
72024001013
oct473750041
9182757784
1082825249
1142830921
12238a3341
131420c330
14b0001b3
157410c34
hex4efd021

82825249 has 8 divisors (see below), whose sum is σ = 89449920. Its totient is φ = 76236816.

The previous prime is 82825219. The next prime is 82825261. The reversal of 82825249 is 94252828.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82825249 - 25 = 82825217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82825219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4207 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (11181240).

Almost surely, 282825249 is an apocalyptic number.

It is an amenable number.

82825249 is a deficient number, since it is larger than the sum of its proper divisors (6624671).

82825249 is a wasteful number, since it uses less digits than its factorization.

82825249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18119.

The product of its digits is 92160, while the sum is 40.

The square root of 82825249 is about 9100.8378185747. The cubic root of 82825249 is about 435.9007170200.

It can be divided in two parts, 8282 and 5249, that added together give a palindrome (13531).

The spelling of 82825249 in words is "eighty-two million, eight hundred twenty-five thousand, two hundred forty-nine".

Divisors: 1 13 359 4667 17747 230711 6371173 82825249