Search a number
-
+
13877641 is a prime number
BaseRepresentation
bin110100111100…
…000110001001
3222010001112201
4310330012021
512023041031
61213240201
7225646411
oct64740611
928101481
1013877641
117919528
124793061
132b4b82b
141bb3641
151341d61
hexd3c189

13877641 has 2 divisors, whose sum is σ = 13877642. Its totient is φ = 13877640.

The previous prime is 13877623. The next prime is 13877651. The reversal of 13877641 is 14677831.

13877641 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., 13542400 + 335241 = 3680^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 13877641 - 211 = 13875593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13877641.

It is not a weakly prime, because it can be changed into another prime (13877651) 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, 6938820 + 6938821.

It is an arithmetic number, because the mean of its divisors is an integer number (6938821).

Almost surely, 213877641 is an apocalyptic number.

It is an amenable number.

13877641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13877641 is an equidigital number, since it uses as much as digits as its factorization.

13877641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 13877641 is about 3725.2705941985. The cubic root of 13877641 is about 240.3100218083.

The spelling of 13877641 in words is "thirteen million, eight hundred seventy-seven thousand, six hundred forty-one".