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13484389 is a prime number
BaseRepresentation
bin110011011100…
…000101100101
3221101002002211
4303130011211
511423000024
61201003421
7222421042
oct63340545
927332084
1013484389
117680026
124623571
132a41839
141b101c9
1512b5594
hexcdc165

13484389 has 2 divisors, whose sum is σ = 13484390. Its totient is φ = 13484388.

The previous prime is 13484311. The next prime is 13484407. The reversal of 13484389 is 98348431.

13484389 is digitally balanced in base 2 and base 3, because in such bases 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., 7924225 + 5560164 = 2815^2 + 2358^2 .

It is a cyclic number.

It is not a de Polignac number, because 13484389 - 211 = 13482341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13484189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6742194 + 6742195.

It is an arithmetic number, because the mean of its divisors is an integer number (6742195).

Almost surely, 213484389 is an apocalyptic number.

It is an amenable number.

13484389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13484389 is an equidigital number, since it uses as much as digits as its factorization.

13484389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 13484389 is about 3672.1096116538. The cubic root of 13484389 is about 238.0183412177.

The spelling of 13484389 in words is "thirteen million, four hundred eighty-four thousand, three hundred eighty-nine".