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82854045 = 3251841201
BaseRepresentation
bin1001111000001…
…00000010011101
312202220102101100
410330010002131
5132202312140
612115503313
72024150661
oct474040235
9182812340
1082854045
114285051a
12238b7b39
131421c481
14b00a8a1
157419530
hex4f0409d

82854045 has 12 divisors (see below), whose sum is σ = 143613756. Its totient is φ = 44188800.

The previous prime is 82854019. The next prime is 82854049. The reversal of 82854045 is 54045828.

It can be written as a sum of positive squares in 2 ways, for example, as 33489369 + 49364676 = 5787^2 + 7026^2 .

It is not a de Polignac number, because 82854045 - 28 = 82853789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82854049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 920556 + ... + 920645.

It is an arithmetic number, because the mean of its divisors is an integer number (11967813).

Almost surely, 282854045 is an apocalyptic number.

It is an amenable number.

82854045 is a deficient number, since it is larger than the sum of its proper divisors (60759711).

82854045 is a wasteful number, since it uses less digits than its factorization.

82854045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841212 (or 1841209 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 82854045 is about 9102.4197332358. The cubic root of 82854045 is about 435.9512279563.

The spelling of 82854045 in words is "eighty-two million, eight hundred fifty-four thousand, forty-five".

Divisors: 1 3 5 9 15 45 1841201 5523603 9206005 16570809 27618015 82854045