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1068144 = 243711172
BaseRepresentation
bin100000100110001110000
32000021012220
410010301300
5233140034
634521040
712036060
oct4046160
92007186
101068144
1166a570
12436180
132b524c
141db3a0
15161749
hex104c70

1068144 has 120 divisors (see below), whose sum is σ = 3654528. Its totient is φ = 261120.

The previous prime is 1068131. The next prime is 1068149. The reversal of 1068144 is 4418601.

It is a super-2 number, since 2×10681442 = 2281863209472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068149) 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 23 ways as a sum of consecutive naturals, for example, 62824 + ... + 62840.

21068144 is an apocalyptic number.

1068144 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 1068144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827264).

1068144 is an abundant number, since it is smaller than the sum of its proper divisors (2586384).

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

1068144 is a wasteful number, since it uses less digits than its factorization.

1068144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1068144 is about 1033.5105224428. The cubic root of 1068144 is about 102.2217398283.

It can be divided in two parts, 10681 and 44, that multiplied together give a palindrome (469964).

The spelling of 1068144 in words is "one million, sixty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 17 21 22 24 28 33 34 42 44 48 51 56 66 68 77 84 88 102 112 119 132 136 154 168 176 187 204 231 238 264 272 289 308 336 357 374 408 462 476 528 561 578 616 714 748 816 867 924 952 1122 1156 1232 1309 1428 1496 1734 1848 1904 2023 2244 2312 2618 2856 2992 3179 3468 3696 3927 4046 4488 4624 5236 5712 6069 6358 6936 7854 8092 8976 9537 10472 12138 12716 13872 15708 16184 19074 20944 22253 24276 25432 31416 32368 38148 44506 48552 50864 62832 66759 76296 89012 97104 133518 152592 178024 267036 356048 534072 1068144