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11362381 is a prime number
BaseRepresentation
bin101011010110…
…000001001101
3210101021020221
4223112001031
510402044011
61043311341
7165402322
oct53260115
923337227
1011362381
1164607a8
12397b551
13247aa04
14171ab49
15ee6971
hexad604d

11362381 has 2 divisors, whose sum is σ = 11362382. Its totient is φ = 11362380.

The previous prime is 11362339. The next prime is 11362387. The reversal of 11362381 is 18326311.

11362381 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., 7241481 + 4120900 = 2691^2 + 2030^2 .

It is an emirp because it is prime and its reverse (18326311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11362381 - 29 = 11361869 is a prime.

It is a super-2 number, since 2×113623812 = 258207403978322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11362387) 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, 5681190 + 5681191.

It is an arithmetic number, because the mean of its divisors is an integer number (5681191).

Almost surely, 211362381 is an apocalyptic number.

It is an amenable number.

11362381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11362381 is an equidigital number, since it uses as much as digits as its factorization.

11362381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 11362381 is about 3370.8131066554. The cubic root of 11362381 is about 224.8138773553.

Adding to 11362381 its reverse (18326311), we get a palindrome (29688692).

The spelling of 11362381 in words is "eleven million, three hundred sixty-two thousand, three hundred eighty-one".