10393 has 4 divisors (see below), whose sum is σ = 10960. Its totient is φ = 9828.

The previous prime is 10391. The next prime is 10399. The reversal of 10393 is 39301.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 10393 - 2^{1} = 10391 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11 and base 16.

It is not an unprimeable number, because it can be changed into a prime (10391) 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, 255 + ... + 292.

It is an arithmetic number, because the mean of its divisors is an integer number (2740).

2^{10393} is an apocalyptic number.

It is an amenable number.

10393 is a deficient number, since it is larger than the sum of its proper divisors (567).

10393 is an equidigital number, since it uses as much as digits as its factorization.

10393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 10393 is about 101.9460641712. The cubic root of 10393 is about 21.8229592863.

Adding to 10393 its reverse (39301), we get a palindrome (49694).

It can be divided in two parts, 103 and 93, that added together give a square (196 = 14^{2}).

The spelling of 10393 in words is "ten thousand, three hundred ninety-three".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.111 sec. • engine limits •