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275648201 is a prime number
BaseRepresentation
bin10000011011100…
…000111011001001
3201012200101020122
4100123200323021
51031031220301
643204033025
76554654033
oct2033407311
9635611218
10275648201
11131661634
1278392775
134515295a
1428874c53
15192ed81b
hex106e0ec9

275648201 has 2 divisors, whose sum is σ = 275648202. Its totient is φ = 275648200.

The previous prime is 275648179. The next prime is 275648209. The reversal of 275648201 is 102846572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161671225 + 113976976 = 12715^2 + 10676^2 .

It is a cyclic number.

It is not a de Polignac number, because 275648201 - 26 = 275648137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275648209) 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, 137824100 + 137824101.

It is an arithmetic number, because the mean of its divisors is an integer number (137824101).

Almost surely, 2275648201 is an apocalyptic number.

It is an amenable number.

275648201 is a deficient number, since it is larger than the sum of its proper divisors (1).

275648201 is an equidigital number, since it uses as much as digits as its factorization.

275648201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 275648201 is about 16602.6564440754. The cubic root of 275648201 is about 650.8062586765.

The spelling of 275648201 in words is "two hundred seventy-five million, six hundred forty-eight thousand, two hundred one".