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10009393 = 23435191
BaseRepresentation
bin100110001011…
…101100110001
3200211112022021
4212023230301
510030300033
6554311441
7151035622
oct46135461
920745267
1010009393
115717229
123428581
1320c5c24
141487a49
15d2ab2d
hex98bb31

10009393 has 4 divisors (see below), whose sum is σ = 10444608. Its totient is φ = 9574180.

The previous prime is 10009387. The next prime is 10009423. The reversal of 10009393 is 39390001.

10009393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39390001 = 75627143.

It is a cyclic number.

It is not a de Polignac number, because 10009393 - 29 = 10008881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10009313) 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, 217573 + ... + 217618.

It is an arithmetic number, because the mean of its divisors is an integer number (2611152).

Almost surely, 210009393 is an apocalyptic number.

It is an amenable number.

10009393 is a deficient number, since it is larger than the sum of its proper divisors (435215).

10009393 is an equidigital number, since it uses as much as digits as its factorization.

10009393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435214.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 10009393 is about 3163.7624752816. The cubic root of 10009393 is about 215.5109032441.

Adding to 10009393 its reverse (39390001), we get a palindrome (49399394).

The spelling of 10009393 in words is "ten million, nine thousand, three hundred ninety-three".

Divisors: 1 23 435191 10009393