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10807169 = 29372661
BaseRepresentation
bin101001001110…
…011110000001
3202100001122112
4221032132001
510231312134
61023345105
7160600532
oct51163601
922301575
1010807169
11611164a
123752195
132315099
141614689
15e371ce
hexa4e781

10807169 has 4 divisors (see below), whose sum is σ = 11179860. Its totient is φ = 10434480.

The previous prime is 10807157. The next prime is 10807183. The reversal of 10807169 is 96170801.

10807169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96170801 = 398924109.

It can be written as a sum of positive squares in 2 ways, for example, as 4355569 + 6451600 = 2087^2 + 2540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10807169 is a prime.

It is a super-2 number, since 2×108071692 = 233589803589122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10807129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186302 + ... + 186359.

It is an arithmetic number, because the mean of its divisors is an integer number (2794965).

Almost surely, 210807169 is an apocalyptic number.

It is an amenable number.

10807169 is a deficient number, since it is larger than the sum of its proper divisors (372691).

10807169 is an equidigital number, since it uses as much as digits as its factorization.

10807169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372690.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 10807169 is about 3287.4258927009. The cubic root of 10807169 is about 221.0907880298.

The spelling of 10807169 in words is "ten million, eight hundred seven thousand, one hundred sixty-nine".

Divisors: 1 29 372661 10807169