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11144320 = 275111583
BaseRepresentation
bin101010100000…
…110010000000
3202222012010121
4222200302000
510323104240
61034510024
7163503505
oct52406200
922865117
1011144320
116321990
123895314
132402695
1416a14ac
15ea204a
hexaa0c80

11144320 has 64 divisors (see below), whose sum is σ = 29082240. Its totient is φ = 4049920.

The previous prime is 11144303. The next prime is 11144321. The reversal of 11144320 is 2344111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11144294 and 11144303.

It is not an unprimeable number, because it can be changed into a prime (11144321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6249 + ... + 7831.

It is an arithmetic number, because the mean of its divisors is an integer number (454410).

Almost surely, 211144320 is an apocalyptic number.

11144320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11144320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14541120).

11144320 is an abundant number, since it is smaller than the sum of its proper divisors (17937920).

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

11144320 is a wasteful number, since it uses less digits than its factorization.

11144320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11144320 is about 3338.3109501663. The cubic root of 11144320 is about 223.3664068244.

Adding to 11144320 its reverse (2344111), we get a palindrome (13488431).

The spelling of 11144320 in words is "eleven million, one hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1583 1760 3166 3520 6332 7040 7915 12664 15830 17413 25328 31660 34826 50656 63320 69652 87065 101312 126640 139304 174130 202624 253280 278608 348260 506560 557216 696520 1013120 1114432 1393040 2228864 2786080 5572160 11144320