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82183249 is a prime number
BaseRepresentation
bin1001110011000…
…00010001010001
312201122100020001
410321200101101
5132014330444
612053250001
72015355211
oct471402121
9181570201
1082183249
1142432545
1223633901
1314046055
14acb4241
1573358d4
hex4e60451

82183249 has 2 divisors, whose sum is σ = 82183250. Its totient is φ = 82183248.

The previous prime is 82183247. The next prime is 82183259. The reversal of 82183249 is 94238128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75134224 + 7049025 = 8668^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 82183249 - 21 = 82183247 is a prime.

Together with 82183247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82183247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41091624 + 41091625.

It is an arithmetic number, because the mean of its divisors is an integer number (41091625).

Almost surely, 282183249 is an apocalyptic number.

It is an amenable number.

82183249 is a deficient number, since it is larger than the sum of its proper divisors (1).

82183249 is an equidigital number, since it uses as much as digits as its factorization.

82183249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 82183249 is about 9065.4977248908. The cubic root of 82183249 is about 434.7715345850.

The spelling of 82183249 in words is "eighty-two million, one hundred eighty-three thousand, two hundred forty-nine".