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275478601 is a prime number
BaseRepresentation
bin10000011010110…
…111100001001001
3201012100202121011
4100122313201021
51031010303401
643200243521
76553346416
oct2032674111
9635322534
10275478601
11131556172
12783105a1
13450c36b8
142882d10d
15192b8451
hex106b7849

275478601 has 2 divisors, whose sum is σ = 275478602. Its totient is φ = 275478600.

The previous prime is 275478589. The next prime is 275478677. The reversal of 275478601 is 106874572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271458576 + 4020025 = 16476^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 275478601 - 29 = 275478089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275478901) 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, 137739300 + 137739301.

It is an arithmetic number, because the mean of its divisors is an integer number (137739301).

Almost surely, 2275478601 is an apocalyptic number.

It is an amenable number.

275478601 is a deficient number, since it is larger than the sum of its proper divisors (1).

275478601 is an equidigital number, since it uses as much as digits as its factorization.

275478601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 275478601 is about 16597.5480418042. The cubic root of 275478601 is about 650.6727559168.

The spelling of 275478601 in words is "two hundred seventy-five million, four hundred seventy-eight thousand, six hundred one".