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5624389 is a prime number
BaseRepresentation
bin10101011101001001000101
3101120202012201
4111131021011
52414440024
6320314501
765543431
oct25351105
911522181
105624389
1131a1761
121a72a31
13121c054
14a659c1
15761744
hex55d245

5624389 has 2 divisors, whose sum is σ = 5624390. Its totient is φ = 5624388.

The previous prime is 5624369. The next prime is 5624401. The reversal of 5624389 is 9834265.

5624389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5313025 + 311364 = 2305^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 5624389 - 211 = 5622341 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p388747 and since 5624389 and 388747 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5624369) 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, 2812194 + 2812195.

It is an arithmetic number, because the mean of its divisors is an integer number (2812195).

Almost surely, 25624389 is an apocalyptic number.

It is an amenable number.

5624389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5624389 is an equidigital number, since it uses as much as digits as its factorization.

5624389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 5624389 is about 2371.5794315182. The cubic root of 5624389 is about 177.8382256971.

The spelling of 5624389 in words is "five million, six hundred twenty-four thousand, three hundred eighty-nine".