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10168321 = 80912569
BaseRepresentation
bin100110110010…
…100000000001
3201010121022111
4212302200001
510100341241
61001535321
7152300152
oct46624001
921117274
1010168321
115815679
1234a4541
132150377
1414c9929
15d5cc81
hex9b2801

10168321 has 4 divisors (see below), whose sum is σ = 10181700. Its totient is φ = 10154944.

The previous prime is 10168297. The next prime is 10168331. The reversal of 10168321 is 12386101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9678321 + 490000 = 3111^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 10168321 - 25 = 10168289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10168292 and 10168301.

It is not an unprimeable number, because it can be changed into a prime (10168331) 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, 5476 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (2545425).

Almost surely, 210168321 is an apocalyptic number.

It is an amenable number.

10168321 is a deficient number, since it is larger than the sum of its proper divisors (13379).

10168321 is an equidigital number, since it uses as much as digits as its factorization.

10168321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 10168321 is about 3188.7804878982. The cubic root of 10168321 is about 216.6455382421.

The spelling of 10168321 in words is "ten million, one hundred sixty-eight thousand, three hundred twenty-one".

Divisors: 1 809 12569 10168321