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82552577 = 397207941
BaseRepresentation
bin1001110101110…
…10011100000001
312202100002211212
410322322130001
5132113140302
612105215505
72021454032
oct472723401
9182302755
1082552577
1142664a78
1223791595
13141451a3
14ad6ca89
1573aa052
hex4eba701

82552577 has 4 divisors (see below), whose sum is σ = 82760916. Its totient is φ = 82344240.

The previous prime is 82552559. The next prime is 82552579. The reversal of 82552577 is 77525528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62473216 + 20079361 = 7904^2 + 4481^2 .

It is a cyclic number.

It is not a de Polignac number, because 82552577 - 214 = 82536193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82552579) 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 3 ways as a sum of consecutive naturals, for example, 103574 + ... + 104367.

It is an arithmetic number, because the mean of its divisors is an integer number (20690229).

Almost surely, 282552577 is an apocalyptic number.

It is an amenable number.

82552577 is a deficient number, since it is larger than the sum of its proper divisors (208339).

82552577 is a wasteful number, since it uses less digits than its factorization.

82552577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208338.

The product of its digits is 196000, while the sum is 41.

The square root of 82552577 is about 9085.8448699062. The cubic root of 82552577 is about 435.4218429528.

The spelling of 82552577 in words is "eighty-two million, five hundred fifty-two thousand, five hundred seventy-seven".

Divisors: 1 397 207941 82552577