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10445819 is a prime number
BaseRepresentation
bin100111110110…
…001111111011
3201122200222012
4213312033323
510133231234
61011520135
7154534166
oct47661773
921580865
1010445819
11599510a
1235b904b
132219777
14155cadd
15db50ce
hex9f63fb

10445819 has 2 divisors, whose sum is σ = 10445820. Its totient is φ = 10445818.

The previous prime is 10445807. The next prime is 10445821. The reversal of 10445819 is 91854401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10445819 - 28 = 10445563 is a prime.

It is a super-2 number, since 2×104458192 = 218230269161522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10445821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10445849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222909 + 5222910.

It is an arithmetic number, because the mean of its divisors is an integer number (5222910).

Almost surely, 210445819 is an apocalyptic number.

10445819 is a deficient number, since it is larger than the sum of its proper divisors (1).

10445819 is an equidigital number, since it uses as much as digits as its factorization.

10445819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 10445819 is about 3231.9992264851. Note that the first 3 decimals coincide. The cubic root of 10445819 is about 218.5986616908.

The spelling of 10445819 in words is "ten million, four hundred forty-five thousand, eight hundred nineteen".