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275282681 is a prime number
BaseRepresentation
bin10000011010000…
…111101011111001
3201011222210211212
4100122013223321
51030433021211
643152132505
76551602262
oct2032075371
9634883755
10275282681
11131431a53
1278237135
134505547b
14287bb969
151927a38b
hex10687af9

275282681 has 2 divisors, whose sum is σ = 275282682. Its totient is φ = 275282680.

The previous prime is 275282677. The next prime is 275282729. The reversal of 275282681 is 186282572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202094656 + 73188025 = 14216^2 + 8555^2 .

It is a cyclic number.

It is not a de Polignac number, because 275282681 - 22 = 275282677 is a prime.

It is a super-2 number, since 2×2752826812 = 151561108917095522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275282611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137641340 + 137641341.

It is an arithmetic number, because the mean of its divisors is an integer number (137641341).

Almost surely, 2275282681 is an apocalyptic number.

It is an amenable number.

275282681 is a deficient number, since it is larger than the sum of its proper divisors (1).

275282681 is an equidigital number, since it uses as much as digits as its factorization.

275282681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 41.

The square root of 275282681 is about 16591.6449154386. The cubic root of 275282681 is about 650.5184668129.

The spelling of 275282681 in words is "two hundred seventy-five million, two hundred eighty-two thousand, six hundred eighty-one".