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11484181 is a prime number
BaseRepresentation
bin101011110011…
…110000010101
3210121110100001
4223303300111
510414443211
61050051301
7166420402
oct53636025
923543301
1011484181
116534265
123a19b31
1324c1297
14174d2a9
15101cac1
hexaf3c15

11484181 has 2 divisors, whose sum is σ = 11484182. Its totient is φ = 11484180.

The previous prime is 11484169. The next prime is 11484211. The reversal of 11484181 is 18148411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10504081 + 980100 = 3241^2 + 990^2 .

It is an emirp because it is prime and its reverse (18148411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11484181 is a prime.

It is a super-2 number, since 2×114841812 = 263772826481522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11484281) 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, 5742090 + 5742091.

It is an arithmetic number, because the mean of its divisors is an integer number (5742091).

Almost surely, 211484181 is an apocalyptic number.

It is an amenable number.

11484181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11484181 is an equidigital number, since it uses as much as digits as its factorization.

11484181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 28.

The square root of 11484181 is about 3388.8318046194. The cubic root of 11484181 is about 225.6143277309.

It can be divided in two parts, 1148 and 4181, that added together give a square (5329 = 732).

The spelling of 11484181 in words is "eleven million, four hundred eighty-four thousand, one hundred eighty-one".