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10069817 = 22943973
BaseRepresentation
bin100110011010…
…011100111001
3200221121012012
4212122130321
510034213232
6555455305
7151410032
oct46323471
920847165
1010069817
11575866a
123457535
132117594
1414a1a89
15d3d9b2
hex99a739

10069817 has 4 divisors (see below), whose sum is σ = 10114020. Its totient is φ = 10025616.

The previous prime is 10069793. The next prime is 10069847. The reversal of 10069817 is 71896001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71896001 = 411753561.

It can be written as a sum of positive squares in 2 ways, for example, as 7458361 + 2611456 = 2731^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 10069817 - 212 = 10065721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10069847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21758 + ... + 22215.

It is an arithmetic number, because the mean of its divisors is an integer number (2528505).

Almost surely, 210069817 is an apocalyptic number.

It is an amenable number.

10069817 is a deficient number, since it is larger than the sum of its proper divisors (44203).

10069817 is an equidigital number, since it uses as much as digits as its factorization.

10069817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44202.

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

The square root of 10069817 is about 3173.2974962962. The cubic root of 10069817 is about 215.9436938856.

The spelling of 10069817 in words is "ten million, sixty-nine thousand, eight hundred seventeen".

Divisors: 1 229 43973 10069817