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102982289 is a prime number
BaseRepresentation
bin1100010001101…
…10001010010001
321011210001010212
412020312022101
5202330413124
614115133505
72360222624
oct610661221
9234701125
10102982289
1153149133
122a5a4295
1318449087
14d969dbb
15909340e
hex6236291

102982289 has 2 divisors, whose sum is σ = 102982290. Its totient is φ = 102982288.

The previous prime is 102982273. The next prime is 102982331. The reversal of 102982289 is 982289201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74252689 + 28729600 = 8617^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 102982289 - 24 = 102982273 is a prime.

It is not a weakly prime, because it can be changed into another prime (102982249) 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, 51491144 + 51491145.

It is an arithmetic number, because the mean of its divisors is an integer number (51491145).

Almost surely, 2102982289 is an apocalyptic number.

It is an amenable number.

102982289 is a deficient number, since it is larger than the sum of its proper divisors (1).

102982289 is an equidigital number, since it uses as much as digits as its factorization.

102982289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 102982289 is about 10148.0189692373. The cubic root of 102982289 is about 468.7279455342.

The spelling of 102982289 in words is "one hundred two million, nine hundred eighty-two thousand, two hundred eighty-nine".