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11005207 is a prime number
BaseRepresentation
bin101001111110…
…110100010111
3202201010022021
4221332310113
510304131312
61031514011
7162354103
oct51766427
922633267
1011005207
116237414
123828907
132384275
141666903
15e75c07
hexa7ed17

11005207 has 2 divisors, whose sum is σ = 11005208. Its totient is φ = 11005206.

The previous prime is 11005177. The next prime is 11005223. The reversal of 11005207 is 70250011.

It is an a-pointer prime, because the next prime (11005223) can be obtained adding 11005207 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11005207 - 223 = 2616599 is a prime.

It is a super-2 number, since 2×110052072 = 242229162225698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11005277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502603 + 5502604.

It is an arithmetic number, because the mean of its divisors is an integer number (5502604).

Almost surely, 211005207 is an apocalyptic number.

11005207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005207 is an equidigital number, since it uses as much as digits as its factorization.

11005207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 11005207 is about 3317.4096822672. The cubic root of 11005207 is about 222.4330952314.

Adding to 11005207 its reverse (70250011), we get a palindrome (81255218).

The spelling of 11005207 in words is "eleven million, five thousand, two hundred seven".