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11281064 = 2317109761
BaseRepresentation
bin101011000010…
…001010101000
3210020010201012
4223002022220
510341443224
61041443052
7164613254
oct53021250
923203635
1011281064
1164056a3
123940488
13244c9b2
1416d9264
15ecc80e
hexac22a8

11281064 has 32 divisors (see below), whose sum is σ = 22631400. Its totient is φ = 5253120.

The previous prime is 11281057. The next prime is 11281073. The reversal of 11281064 is 46018211.

It can be written as a sum of positive squares in 4 ways, for example, as 8584900 + 2696164 = 2930^2 + 1642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14444 + ... + 15204.

Almost surely, 211281064 is an apocalyptic number.

It is an amenable number.

11281064 is an abundant number, since it is smaller than the sum of its proper divisors (11350336).

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

11281064 is a wasteful number, since it uses less digits than its factorization.

11281064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11281064 is about 3358.7295217091. The cubic root of 11281064 is about 224.2762853604.

Adding to 11281064 its reverse (46018211), we get a palindrome (57299275).

The spelling of 11281064 in words is "eleven million, two hundred eighty-one thousand, sixty-four".

Divisors: 1 2 4 8 17 34 68 109 136 218 436 761 872 1522 1853 3044 3706 6088 7412 12937 14824 25874 51748 82949 103496 165898 331796 663592 1410133 2820266 5640532 11281064