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11005219 = 67831979
BaseRepresentation
bin101001111110…
…110100100011
3202201010022201
4221332310203
510304131334
61031514031
7162354121
oct51766443
922633281
1011005219
116237425
123828917
132384284
141666911
15e75c14
hexa7ed23

11005219 has 8 divisors (see below), whose sum is σ = 11309760. Its totient is φ = 10704936.

The previous prime is 11005207. The next prime is 11005223. The reversal of 11005219 is 91250011.

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 11005219 - 27 = 11005091 is a prime.

It is a super-2 number, since 2×110052192 = 242229690475922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11005196 and 11005205.

It is not an unprimeable number, because it can be changed into a prime (11005259) 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, 4572 + ... + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 211005219 is an apocalyptic number.

11005219 is a deficient number, since it is larger than the sum of its proper divisors (304541).

11005219 is an equidigital number, since it uses as much as digits as its factorization.

11005219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 11005219 is about 3317.4114909067. The cubic root of 11005219 is about 222.4331760779.

The spelling of 11005219 in words is "eleven million, five thousand, two hundred nineteen".

Divisors: 1 67 83 1979 5561 132593 164257 11005219