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11190144 = 273723181
BaseRepresentation
bin101010101011…
…111110000000
3210001111222210
4222223332000
510331041034
61035502120
7164054220
oct52537600
923044883
1011190144
116353359
1238b7940
13241a4b4
1416b4080
15eb08e9
hexaabf80

11190144 has 128 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 3041280.

The previous prime is 11190119. The next prime is 11190149. The reversal of 11190144 is 44109111.

11190144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11190144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11190149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61734 + ... + 61914.

It is an arithmetic number, because the mean of its divisors is an integer number (278460).

Almost surely, 211190144 is an apocalyptic number.

11190144 is a gapful number since it is divisible by the number (14) 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 11190144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17821440).

11190144 is an abundant number, since it is smaller than the sum of its proper divisors (24452736).

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

11190144 is a wasteful number, since it uses less digits than its factorization.

11190144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11190144 is about 3345.1672603922. The cubic root of 11190144 is about 223.6721394042.

Adding to 11190144 its reverse (44109111), we get a palindrome (55299255).

The spelling of 11190144 in words is "eleven million, one hundred ninety thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 64 69 84 92 96 112 128 138 161 168 181 184 192 224 276 322 336 362 368 384 448 483 543 552 644 672 724 736 896 966 1086 1104 1267 1288 1344 1448 1472 1932 2172 2208 2534 2576 2688 2896 2944 3801 3864 4163 4344 4416 5068 5152 5792 7602 7728 8326 8688 8832 10136 10304 11584 12489 15204 15456 16652 17376 20272 20608 23168 24978 29141 30408 30912 33304 34752 40544 49956 58282 60816 61824 66608 69504 81088 87423 99912 116564 121632 133216 162176 174846 199824 233128 243264 266432 349692 399648 466256 486528 532864 699384 799296 932512 1398768 1598592 1865024 2797536 3730048 5595072 11190144