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16805041 = 111527731
BaseRepresentation
bin100000000011…
…0110010110001
31011121210011221
41000012302301
513300230131
61400105041
7262561201
oct100066261
934553157
1016805041
119538970
125765181
133635116
142336401
15171e411
hex1006cb1

16805041 has 4 divisors (see below), whose sum is σ = 18332784. Its totient is φ = 15277300.

The previous prime is 16805023. The next prime is 16805053. The reversal of 16805041 is 14050861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16805041 - 211 = 16802993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16804997 and 16805015.

It is not an unprimeable number, because it can be changed into a prime (16805011) 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, 763855 + ... + 763876.

It is an arithmetic number, because the mean of its divisors is an integer number (4583196).

Almost surely, 216805041 is an apocalyptic number.

16805041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16805041 is a deficient number, since it is larger than the sum of its proper divisors (1527743).

16805041 is a wasteful number, since it uses less digits than its factorization.

16805041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527742.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 16805041 is about 4099.3951992946. The cubic root of 16805041 is about 256.1414471007.

The spelling of 16805041 in words is "sixteen million, eight hundred five thousand, forty-one".

Divisors: 1 11 1527731 16805041