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102255227 is a prime number
BaseRepresentation
bin1100001100001…
…00101001111011
321010102002210122
412012010221323
5202134131402
614051403455
72351104124
oct606045173
9233362718
10102255227
11527a1958
122a2b358b
1318253169
14d81b04b
158e9cca2
hex6184a7b

102255227 has 2 divisors, whose sum is σ = 102255228. Its totient is φ = 102255226.

The previous prime is 102255203. The next prime is 102255277. The reversal of 102255227 is 722552201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102255227 - 26 = 102255163 is a prime.

It is a super-2 number, since 2×1022552272 = 20912262897643058, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102255196 and 102255205.

It is not a weakly prime, because it can be changed into another prime (102255277) 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, 51127613 + 51127614.

It is an arithmetic number, because the mean of its divisors is an integer number (51127614).

Almost surely, 2102255227 is an apocalyptic number.

102255227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102255227 is an equidigital number, since it uses as much as digits as its factorization.

102255227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 102255227 is about 10112.1326632912. The cubic root of 102255227 is about 467.6222555762.

The spelling of 102255227 in words is "one hundred two million, two hundred fifty-five thousand, two hundred twenty-seven".