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10442819 is a prime number
BaseRepresentation
bin100111110101…
…100001000011
3201122112212002
4213311201003
510133132234
61011454215
7154522352
oct47654103
921575762
1010442819
115992932
1235b736b
1322182aa
14155b999
15db427e
hex9f5843

10442819 has 2 divisors, whose sum is σ = 10442820. Its totient is φ = 10442818.

The previous prime is 10442807. The next prime is 10442891. The reversal of 10442819 is 91824401.

10442819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (10442891) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10442819 - 28 = 10442563 is a prime.

It is a super-2 number, since 2×104428192 = 218104937333522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10442791 and 10442800.

It is not a weakly prime, because it can be changed into another prime (10442119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5221409 + 5221410.

It is an arithmetic number, because the mean of its divisors is an integer number (5221410).

Almost surely, 210442819 is an apocalyptic number.

10442819 is a deficient number, since it is larger than the sum of its proper divisors (1).

10442819 is an equidigital number, since it uses as much as digits as its factorization.

10442819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 10442819 is about 3231.5350841357. The cubic root of 10442819 is about 218.5777327821.

The spelling of 10442819 in words is "ten million, four hundred forty-two thousand, eight hundred nineteen".