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11128338 = 23213192503
BaseRepresentation
bin101010011100…
…111000010010
3202221101012200
4222130320102
510322101323
61034304030
7163406064
oct52347022
922841180
1011128338
116310981
123888016
1323c8320
141699734
15e9c443
hexa9ce12

11128338 has 48 divisors (see below), whose sum is σ = 27343680. Its totient is φ = 3242592.

The previous prime is 11128309. The next prime is 11128361. The reversal of 11128338 is 83382111.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3195 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (569660).

Almost surely, 211128338 is an apocalyptic number.

11128338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11128338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13671840).

11128338 is an abundant number, since it is smaller than the sum of its proper divisors (16215342).

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

11128338 is a wasteful number, since it uses less digits than its factorization.

11128338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2540 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11128338 is about 3335.9163658581. The cubic root of 11128338 is about 223.2595796164.

The spelling of 11128338 in words is "eleven million, one hundred twenty-eight thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 171 234 247 342 494 741 1482 2223 2503 4446 5006 7509 15018 22527 32539 45054 47557 65078 95114 97617 142671 195234 285342 292851 428013 585702 618241 856026 1236482 1854723 3709446 5564169 11128338