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13655149 is a prime number
BaseRepresentation
bin110100000101…
…110001101101
3221200202100021
4310011301231
511443431044
61204402141
7224031634
oct64056155
927622307
1013655149
117787352
1246a6351
132aa1491
141b5651b
1512eae84
hexd05c6d

13655149 has 2 divisors, whose sum is σ = 13655150. Its totient is φ = 13655148.

The previous prime is 13655141. The next prime is 13655171. The reversal of 13655149 is 94155631.

13655149 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., 13638249 + 16900 = 3693^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 13655149 - 23 = 13655141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13655141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6827574 + 6827575.

It is an arithmetic number, because the mean of its divisors is an integer number (6827575).

Almost surely, 213655149 is an apocalyptic number.

It is an amenable number.

13655149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13655149 is an equidigital number, since it uses as much as digits as its factorization.

13655149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 13655149 is about 3695.2874042488. The cubic root of 13655149 is about 239.0188473900.

The spelling of 13655149 in words is "thirteen million, six hundred fifty-five thousand, one hundred forty-nine".