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10644913 is a prime number
BaseRepresentation
bin101000100110…
…110110110001
3202000211002001
4220212312301
510211114123
61020054001
7156323506
oct50466661
922024061
1010644913
116010754
123694301
132289286
1415b14ad
15e040ad
hexa26db1

10644913 has 2 divisors, whose sum is σ = 10644914. Its totient is φ = 10644912.

The previous prime is 10644911. The next prime is 10644923. The reversal of 10644913 is 31944601.

10644913 is digitally balanced in base 2, 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., 10608049 + 36864 = 3257^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 10644913 - 21 = 10644911 is a prime.

It is a super-2 number, since 2×106449132 = 226628345555138, which contains 22 as substring.

Together with 10644911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10644911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322456 + 5322457.

It is an arithmetic number, because the mean of its divisors is an integer number (5322457).

Almost surely, 210644913 is an apocalyptic number.

It is an amenable number.

10644913 is a deficient number, since it is larger than the sum of its proper divisors (1).

10644913 is an equidigital number, since it uses as much as digits as its factorization.

10644913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10644913 is about 3262.6542875395. The cubic root of 10644913 is about 219.9787376145.

The spelling of 10644913 in words is "ten million, six hundred forty-four thousand, nine hundred thirteen".