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11005086 = 2317234691
BaseRepresentation
bin101001111110…
…110010011110
3202201010010210
4221332302132
510304130321
61031513250
7162353541
oct51766236
922633123
1011005086
116237314
123828826
1323841b1
141666858
15e75b76
hexa7ec9e

11005086 has 32 divisors (see below), whose sum is σ = 24323328. Its totient is φ = 3301760.

The previous prime is 11005081. The next prime is 11005091. The reversal of 11005086 is 68050011.

11005086 is a nontrivial binomial coefficient, being equal to C(4692, 2).

It is an interprime number because it is at equal distance from previous prime (11005081) and next prime (11005091).

It is a super-2 number, since 2×110050862 = 242223835734792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 4691.

It is an arithmetic number, because the mean of its divisors is an integer number (760104).

Almost surely, 211005086 is an apocalyptic number.

11005086 is the 4691-st triangular number and also the 2346-th hexagonal number.

11005086 is an abundant number, since it is smaller than the sum of its proper divisors (13318242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11005086 is a wasteful number, since it uses less digits than its factorization.

11005086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11005086 is about 3317.3914450966. The cubic root of 11005086 is about 222.4322800263.

Adding to 11005086 its reverse (68050011), we get a palindrome (79055097).

The spelling of 11005086 in words is "eleven million, five thousand, eighty-six".

Divisors: 1 2 3 6 17 23 34 46 51 69 102 138 391 782 1173 2346 4691 9382 14073 28146 79747 107893 159494 215786 239241 323679 478482 647358 1834181 3668362 5502543 11005086