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1068816 = 24373181
BaseRepresentation
bin100000100111100010000
32000022010210
410010330100
5233200231
634524120
712041040
oct4047420
92008123
101068816
11670021
12436640
132b5648
141db720
15161a46
hex104f10

1068816 has 40 divisors (see below), whose sum is σ = 3156544. Its totient is φ = 305280.

The previous prime is 1068811. The next prime is 1068817. The reversal of 1068816 is 6188601.

It is a super-2 number, since 2×10688162 = 2284735283712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068811) 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, 1255 + ... + 1926.

21068816 is an apocalyptic number.

1068816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1068816 is an abundant number, since it is smaller than the sum of its proper divisors (2087728).

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

1068816 is a wasteful number, since it uses less digits than its factorization.

1068816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1068816 is about 1033.8355768690. The cubic root of 1068816 is about 102.2431722096.

The spelling of 1068816 in words is "one million, sixty-eight thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 3181 6362 9543 12724 19086 22267 25448 38172 44534 50896 66801 76344 89068 133602 152688 178136 267204 356272 534408 1068816