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11006389 is a prime number
BaseRepresentation
bin101001111111…
…000110110101
3202201011221001
4221333012311
510304201024
61031523301
7162360412
oct51770665
922634831
1011006389
116238299
123829531
132384974
141667109
15e76244
hexa7f1b5

11006389 has 2 divisors, whose sum is σ = 11006390. Its totient is φ = 11006388.

The previous prime is 11006383. The next prime is 11006419. The reversal of 11006389 is 98360011.

It is a happy number.

11006389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 1134225 = 3142^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 11006389 - 25 = 11006357 is a prime.

It is a super-2 number, since 2×110063892 = 242281197638642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11006383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503194 + 5503195.

It is an arithmetic number, because the mean of its divisors is an integer number (5503195).

Almost surely, 211006389 is an apocalyptic number.

It is an amenable number.

11006389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11006389 is an equidigital number, since it uses as much as digits as its factorization.

11006389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11006389 is about 3317.5878285284. The cubic root of 11006389 is about 222.4410583258.

The spelling of 11006389 in words is "eleven million, six thousand, three hundred eighty-nine".