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10069105 = 52013821
BaseRepresentation
bin100110011010…
…010001110001
3200221120012211
4212122101301
510034202410
6555452121
7151404664
oct46322161
920846184
1010069105
115758082
123457041
132117167
1414a16db
15d3d68a
hex99a471

10069105 has 4 divisors (see below), whose sum is σ = 12082932. Its totient is φ = 8055280.

The previous prime is 10069097. The next prime is 10069121. The reversal of 10069105 is 50196001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50196001 = 277181213.

It can be written as a sum of positive squares in 2 ways, for example, as 4875264 + 5193841 = 2208^2 + 2279^2 .

It is not a de Polignac number, because 10069105 - 23 = 10069097 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 1006906 + ... + 1006915.

It is an arithmetic number, because the mean of its divisors is an integer number (3020733).

Almost surely, 210069105 is an apocalyptic number.

It is an amenable number.

10069105 is a deficient number, since it is larger than the sum of its proper divisors (2013827).

10069105 is an equidigital number, since it uses as much as digits as its factorization.

10069105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013826.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 10069105 is about 3173.1853081722. The cubic root of 10069105 is about 215.9386042355.

The spelling of 10069105 in words is "ten million, sixty-nine thousand, one hundred five".

Divisors: 1 5 2013821 10069105