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11421066 = 231903511
BaseRepresentation
bin101011100100…
…010110001010
3210111020202110
4223210112022
510410433231
61044443150
7166035366
oct53442612
923436673
1011421066
1164a08a8
1239a94b6
13249b637
1417342a6
151009046
hexae458a

11421066 has 8 divisors (see below), whose sum is σ = 22842144. Its totient is φ = 3807020.

The previous prime is 11421061. The next prime is 11421077. The reversal of 11421066 is 66012411.

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

11421066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11421061) 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 3 ways as a sum of consecutive naturals, for example, 951750 + ... + 951761.

It is an arithmetic number, because the mean of its divisors is an integer number (2855268).

Almost surely, 211421066 is an apocalyptic number.

11421066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11421066 is a wasteful number, since it uses less digits than its factorization.

11421066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903516.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11421066 is about 3379.5067687460. The cubic root of 11421066 is about 225.2002562813.

Adding to 11421066 its reverse (66012411), we get a palindrome (77433477).

The spelling of 11421066 in words is "eleven million, four hundred twenty-one thousand, sixty-six".

Divisors: 1 2 3 6 1903511 3807022 5710533 11421066