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11381371 = 31715171
BaseRepresentation
bin101011011010…
…101001111011
3210102020022021
4223122221323
510403200441
61043535311
7165511561
oct53325173
923366267
1011381371
116473aa1
12398a537
132486551
141723a31
15eec3d1
hexadaa7b

11381371 has 8 divisors (see below), whose sum is σ = 11916288. Its totient is φ = 10857000.

The previous prime is 11381353. The next prime is 11381393. The reversal of 11381371 is 17318311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11381371 - 213 = 11373179 is a prime.

It is a deceptive number, since it divides R11381370.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11381471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (1489536).

Almost surely, 211381371 is an apocalyptic number.

11381371 is a deficient number, since it is larger than the sum of its proper divisors (534917).

11381371 is an equidigital number, since it uses as much as digits as its factorization.

11381371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273.

The product of its digits is 504, while the sum is 25.

The square root of 11381371 is about 3373.6287584736. The cubic root of 11381371 is about 224.9390518045.

Adding to 11381371 its reverse (17318311), we get a palindrome (28699682).

The spelling of 11381371 in words is "eleven million, three hundred eighty-one thousand, three hundred seventy-one".

Divisors: 1 31 71 2201 5171 160301 367141 11381371