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11286144 = 273297101
BaseRepresentation
bin101011000011…
…011010000000
3210020101200100
4223003122000
510342124034
61041522400
7164634132
oct53033200
923211610
1011286144
1164094a1
123943400
1324520bc
1416db052
15ece099
hexac3680

11286144 has 96 divisors (see below), whose sum is σ = 33136740. Its totient is φ = 3686400.

The previous prime is 11286137. The next prime is 11286173. The reversal of 11286144 is 44168211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10497600 + 788544 = 3240^2 + 888^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111694 + ... + 111794.

Almost surely, 211286144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11286144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16568370).

11286144 is an abundant number, since it is smaller than the sum of its proper divisors (21850596).

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

11286144 is a wasteful number, since it uses less digits than its factorization.

11286144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 203 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 11286144 is about 3359.4856749211. The cubic root of 11286144 is about 224.3099450860.

The spelling of 11286144 in words is "eleven million, two hundred eighty-six thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 97 101 128 144 192 194 202 288 291 303 384 388 404 576 582 606 776 808 873 909 1152 1164 1212 1552 1616 1746 1818 2328 2424 3104 3232 3492 3636 4656 4848 6208 6464 6984 7272 9312 9696 9797 12416 12928 13968 14544 18624 19392 19594 27936 29088 29391 37248 38784 39188 55872 58176 58782 78376 88173 111744 116352 117564 156752 176346 235128 313504 352692 470256 627008 705384 940512 1254016 1410768 1881024 2821536 3762048 5643072 11286144