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8492161 is a prime number
BaseRepresentation
bin100000011001…
…010010000001
3120222110001111
4200121102001
54133222121
6502003321
7132116326
oct40312201
916873044
108492161
114880317
122a16541
1319b4462
1411b0b4d
15b2b2e1
hex819481

8492161 has 2 divisors, whose sum is σ = 8492162. Its totient is φ = 8492160.

The previous prime is 8492153. The next prime is 8492179. The reversal of 8492161 is 1612948.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4330561 + 4161600 = 2081^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 8492161 - 23 = 8492153 is a prime.

It is not a weakly prime, because it can be changed into another prime (8492111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246080 + 4246081.

It is an arithmetic number, because the mean of its divisors is an integer number (4246081).

Almost surely, 28492161 is an apocalyptic number.

It is an amenable number.

8492161 is a deficient number, since it is larger than the sum of its proper divisors (1).

8492161 is an equidigital number, since it uses as much as digits as its factorization.

8492161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 8492161 is about 2914.1312599126. The cubic root of 8492161 is about 204.0199983599.

The spelling of 8492161 in words is "eight million, four hundred ninety-two thousand, one hundred sixty-one".