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36550081 is a prime number
BaseRepresentation
bin1000101101101…
…1010111000001
32112202221021201
42023123113001
533324100311
63343221201
7622446001
oct213332701
975687251
1036550081
11196a4687
12102a7801
137759489
144bd6001
15331e9c1
hex22db5c1

36550081 has 2 divisors, whose sum is σ = 36550082. Its totient is φ = 36550080.

The previous prime is 36550079. The next prime is 36550097. The reversal of 36550081 is 18005563.

36550081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35509681 + 1040400 = 5959^2 + 1020^2 .

It is an emirp because it is prime and its reverse (18005563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36550081 - 21 = 36550079 is a prime.

It is a super-2 number, since 2×365500812 = 2671816842213122, which contains 22 as substring.

Together with 36550079, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36550021) 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 as a sum of consecutive naturals, namely, 18275040 + 18275041.

It is an arithmetic number, because the mean of its divisors is an integer number (18275041).

Almost surely, 236550081 is an apocalyptic number.

It is an amenable number.

36550081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36550081 is an equidigital number, since it uses as much as digits as its factorization.

36550081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 36550081 is about 6045.6662990939. Note that the first 3 decimals coincide. The cubic root of 36550081 is about 331.8660156360.

The spelling of 36550081 in words is "thirty-six million, five hundred fifty thousand, eighty-one".