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11207271 = 310934273
BaseRepresentation
bin101010110000…
…001001100111
3210002101111010
4222300021213
510332113041
61040113303
7164155155
oct52601147
923071433
1011207271
116365209
123905833
13242522a
1416ba3d5
15eb5a16
hexab0267

11207271 has 8 divisors (see below), whose sum is σ = 15080560. Its totient is φ = 7402752.

The previous prime is 11207269. The next prime is 11207323. The reversal of 11207271 is 17270211.

It is a happy number.

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

It is not a de Polignac number, because 11207271 - 21 = 11207269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11207971) 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 in 7 ways as a sum of consecutive naturals, for example, 16810 + ... + 17463.

It is an arithmetic number, because the mean of its divisors is an integer number (1885070).

Almost surely, 211207271 is an apocalyptic number.

11207271 is a deficient number, since it is larger than the sum of its proper divisors (3873289).

11207271 is a wasteful number, since it uses less digits than its factorization.

11207271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34385.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 11207271 is about 3347.7262432881. The cubic root of 11207271 is about 223.7861945338.

Adding to 11207271 its reverse (17270211), we get a palindrome (28477482).

The spelling of 11207271 in words is "eleven million, two hundred seven thousand, two hundred seventy-one".

Divisors: 1 3 109 327 34273 102819 3735757 11207271