Search a number
-
+
11843401 is a prime number
BaseRepresentation
bin101101001011…
…011101001001
3211021201002111
4231023131021
511012442101
61101502321
7202444603
oct55133511
924251074
1011843401
11675a139
123b719a1
1325b893b
141804173
15108e251
hexb4b749

11843401 has 2 divisors, whose sum is σ = 11843402. Its totient is φ = 11843400.

The previous prime is 11843399. The next prime is 11843423. The reversal of 11843401 is 10434811.

It is an a-pointer prime, because the next prime (11843423) can be obtained adding 11843401 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 9801 = 3440^2 + 99^2 .

It is an emirp because it is prime and its reverse (10434811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11843401 - 21 = 11843399 is a prime.

It is a super-2 number, since 2×118434012 = 280532294493602, which contains 22 as substring.

Together with 11843399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11843431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5921700 + 5921701.

It is an arithmetic number, because the mean of its divisors is an integer number (5921701).

Almost surely, 211843401 is an apocalyptic number.

It is an amenable number.

11843401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11843401 is an equidigital number, since it uses as much as digits as its factorization.

11843401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 11843401 is about 3441.4242691072. The cubic root of 11843401 is about 227.9425896799.

The spelling of 11843401 in words is "eleven million, eight hundred forty-three thousand, four hundred one".