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8410813 is a prime number
BaseRepresentation
bin100000000101…
…011010111101
3120211022110121
4200011122331
54123121223
6500134541
7131330215
oct40053275
916738417
108410813
114825194
122997451
131986418
14118d245
15b1215d
hex8056bd

8410813 has 2 divisors, whose sum is σ = 8410814. Its totient is φ = 8410812.

The previous prime is 8410811. The next prime is 8410819. The reversal of 8410813 is 3180148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6285049 + 2125764 = 2507^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 8410813 - 21 = 8410811 is a prime.

Together with 8410811, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8410811) 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, 4205406 + 4205407.

It is an arithmetic number, because the mean of its divisors is an integer number (4205407).

Almost surely, 28410813 is an apocalyptic number.

It is an amenable number.

8410813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8410813 is an equidigital number, since it uses as much as digits as its factorization.

8410813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8410813 is about 2900.1401690263. The cubic root of 8410813 is about 203.3664585168.

The spelling of 8410813 in words is "eight million, four hundred ten thousand, eight hundred thirteen".