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10009045 = 52001809
BaseRepresentation
bin100110001011…
…100111010101
3200211111211101
4212023213111
510030242140
6554310101
7151034614
oct46134725
920744741
1010009045
115716a42
123428331
1320c5a17
14148787b
15d2a99a
hex98b9d5

10009045 has 4 divisors (see below), whose sum is σ = 12010860. Its totient is φ = 8007232.

The previous prime is 10009037. The next prime is 10009049. The reversal of 10009045 is 54090001.

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 2208196 + 7800849 = 1486^2 + 2793^2 .

It is a cyclic number.

It is not a de Polignac number, because 10009045 - 23 = 10009037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10009049) 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, 1000900 + ... + 1000909.

It is an arithmetic number, because the mean of its divisors is an integer number (3002715).

Almost surely, 210009045 is an apocalyptic number.

It is an amenable number.

10009045 is a deficient number, since it is larger than the sum of its proper divisors (2001815).

10009045 is an equidigital number, since it uses as much as digits as its factorization.

10009045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001814.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10009045 is about 3163.7074769959. The cubic root of 10009045 is about 215.5084056346.

Adding to 10009045 its reverse (54090001), we get a palindrome (64099046).

The spelling of 10009045 in words is "ten million, nine thousand, forty-five".

Divisors: 1 5 2001809 10009045