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8182949 is a prime number
BaseRepresentation
bin11111001101110010100101
3120101201220012
4133031302211
54043323244
6451220005
7126360665
oct37156245
916351805
108182949
114689a75
1228a7605
1319067a8
1411301a5
15ab989e
hex7cdca5

8182949 has 2 divisors, whose sum is σ = 8182950. Its totient is φ = 8182948.

The previous prime is 8182921. The next prime is 8182973. The reversal of 8182949 is 9492818.

8182949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 1716100 = 2543^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 8182949 - 28 = 8182693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8182649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4091474 + 4091475.

It is an arithmetic number, because the mean of its divisors is an integer number (4091475).

Almost surely, 28182949 is an apocalyptic number.

It is an amenable number.

8182949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8182949 is an equidigital number, since it uses as much as digits as its factorization.

8182949 is an evil number, because the sum of its binary digits is even.

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

The square root of 8182949 is about 2860.5854295930. The cubic root of 8182949 is about 201.5130987920.

The spelling of 8182949 in words is "eight million, one hundred eighty-two thousand, nine hundred forty-nine".