10301993 has 4 divisors (see below), whose sum is σ = 11094468. Its totient is φ = 9509520.

The previous prime is 10301969. The next prime is 10302007. The reversal of 10301993 is 39910301.

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 6927424 + 3374569 = 2632^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 10301993 - 2⁸ = 10301737 is a prime.

It is a super-2 number, since 2×10301993² = 212262119544098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10301903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396218 + ... + 396243.

It is an arithmetic number, because the mean of its divisors is an integer number (2773617).

Almost surely, 2^10301993 is an apocalyptic number.

10301993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10301993 is a deficient number, since it is larger than the sum of its proper divisors (792475).

10301993 is an equidigital number, since it uses as much as digits as its factorization.

10301993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792474.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 10301993 is about 3209.6717900745. The cubic root of 10301993 is about 217.5907438325.

The spelling of 10301993 in words is "ten million, three hundred one thousand, nine hundred ninety-three".