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1067081 = 4092609
BaseRepresentation
bin100000100100001001001
32000012202112
410010201021
5233121311
634512105
712033011
oct4044111
92005675
101067081
11669794
12435635
132b4912
141dac41
1516128b
hex104849

1067081 has 4 divisors (see below), whose sum is σ = 1070100. Its totient is φ = 1064064.

The previous prime is 1067069. The next prime is 1067083. The reversal of 1067081 is 1807601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1807601 = 2277963.

It can be written as a sum of positive squares in 2 ways, for example, as 774400 + 292681 = 880^2 + 541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1067081 is a prime.

It is a super-3 number, since 3×10670813 = 3645133310487877323, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1067083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (267525).

21067081 is an apocalyptic number.

It is an amenable number.

1067081 is a deficient number, since it is larger than the sum of its proper divisors (3019).

1067081 is an equidigital number, since it uses as much as digits as its factorization.

1067081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1067081 is about 1032.9961277759. The cubic root of 1067081 is about 102.1878187541.

The spelling of 1067081 in words is "one million, sixty-seven thousand, eighty-one".

Divisors: 1 409 2609 1067081