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13849313 is a prime number
BaseRepresentation
bin110100110101…
…001011100001
3222001121200112
4310311023201
512021134223
61212501105
7225501002
oct64651341
928047615
1013849313
1178aa215
12477a795
132b3b97a
141ba71a9
151338778
hexd352e1

13849313 has 2 divisors, whose sum is σ = 13849314. Its totient is φ = 13849312.

The previous prime is 13849307. The next prime is 13849321. The reversal of 13849313 is 31394831.

It is a happy number.

13849313 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., 11343424 + 2505889 = 3368^2 + 1583^2 .

It is a cyclic number.

It is not a de Polignac number, because 13849313 - 28 = 13849057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13849313.

It is not a weakly prime, because it can be changed into another prime (13849813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6924656 + 6924657.

It is an arithmetic number, because the mean of its divisors is an integer number (6924657).

Almost surely, 213849313 is an apocalyptic number.

It is an amenable number.

13849313 is a deficient number, since it is larger than the sum of its proper divisors (1).

13849313 is an equidigital number, since it uses as much as digits as its factorization.

13849313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 13849313 is about 3721.4665120084. The cubic root of 13849313 is about 240.1463979489.

The spelling of 13849313 in words is "thirteen million, eight hundred forty-nine thousand, three hundred thirteen".