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274055687 is a prime number
BaseRepresentation
bin10000010101011…
…100001000000111
3201002200110201122
4100111130020013
51030124240222
643105544155
76535302113
oct2025341007
9632613648
10274055687
11130774104
127794505b
1344a15b39
142857c743
15190d6a42
hex1055c207

274055687 has 2 divisors, whose sum is σ = 274055688. Its totient is φ = 274055686.

The previous prime is 274055609. The next prime is 274055689. The reversal of 274055687 is 786550472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274055687 - 216 = 273990151 is a prime.

Together with 274055689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274055689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137027843 + 137027844.

It is an arithmetic number, because the mean of its divisors is an integer number (137027844).

Almost surely, 2274055687 is an apocalyptic number.

274055687 is a deficient number, since it is larger than the sum of its proper divisors (1).

274055687 is an equidigital number, since it uses as much as digits as its factorization.

274055687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 274055687 is about 16554.6273591404. The cubic root of 274055687 is about 649.5505271325.

The spelling of 274055687 in words is "two hundred seventy-four million, fifty-five thousand, six hundred eighty-seven".