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10493 = 71499
BaseRepresentation
bin10100011111101
3112101122
42203331
5313433
6120325
742410
oct24375
915348
1010493
11797a
1260a5
134a12
143b77
153198
hex28fd

10493 has 4 divisors (see below), whose sum is σ = 12000. Its totient is φ = 8988.

The previous prime is 10487. The next prime is 10499. The reversal of 10493 is 39401.

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 an interprime number because it is at equal distance from previous prime (10487) and next prime (10499).

It is not a de Polignac number, because 10493 - 24 = 10477 is a prime.

It is a super-2 number, since 2×104932 = 220206098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10499) 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, 743 + ... + 756.

It is an arithmetic number, because the mean of its divisors is an integer number (3000).

210493 is an apocalyptic number.

It is an amenable number.

10493 is a deficient number, since it is larger than the sum of its proper divisors (1507).

10493 is an equidigital number, since it uses as much as digits as its factorization.

10493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 10493 is about 102.4353454624. The cubic root of 10493 is about 21.8927284853.

Adding to 10493 its product of nonzero digits (108), we get a palindrome (10601).

Adding to 10493 its reverse (39401), we get a palindrome (49894).

The spelling of 10493 in words is "ten thousand, four hundred ninety-three".

Divisors: 1 7 1499 10493