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8494081 is a prime number
BaseRepresentation
bin100000011001…
…110000000001
3120222112200121
4200121300001
54133302311
6502020241
7132125041
oct40316001
916875617
108494081
114881802
122a17681
1319b52ab
1411b1721
15b2bb71
hex819c01

8494081 has 2 divisors, whose sum is σ = 8494082. Its totient is φ = 8494080.

The previous prime is 8494069. The next prime is 8494099. The reversal of 8494081 is 1804948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 1418481 = 2660^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 8494081 - 213 = 8485889 is a prime.

It is a super-2 number, since 2×84940812 = 144298824069122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8494021) 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, 4247040 + 4247041.

It is an arithmetic number, because the mean of its divisors is an integer number (4247041).

Almost surely, 28494081 is an apocalyptic number.

It is an amenable number.

8494081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8494081 is an equidigital number, since it uses as much as digits as its factorization.

8494081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 8494081 is about 2914.4606705186. The cubic root of 8494081 is about 204.0353728870.

The spelling of 8494081 in words is "eight million, four hundred ninety-four thousand, eighty-one".