Search a number
-
+
13693493 = 111244863
BaseRepresentation
bin110100001111…
…001000110101
3221202200221102
4310033020311
512001142433
61205255445
7224251502
oct64171065
927680842
1013693493
117803140
124704585
132ab5a78
141b664a9
1513074e8
hexd0f235

13693493 has 4 divisors (see below), whose sum is σ = 14938368. Its totient is φ = 12448620.

The previous prime is 13693489. The next prime is 13693501. The reversal of 13693493 is 39439631.

13693493 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.

It is a cyclic number.

It is not a de Polignac number, because 13693493 - 22 = 13693489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13692493) 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, 622421 + ... + 622442.

It is an arithmetic number, because the mean of its divisors is an integer number (3734592).

Almost surely, 213693493 is an apocalyptic number.

It is an amenable number.

13693493 is a deficient number, since it is larger than the sum of its proper divisors (1244875).

13693493 is a wasteful number, since it uses less digits than its factorization.

13693493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244874.

The product of its digits is 52488, while the sum is 38.

The square root of 13693493 is about 3700.4719969215. The cubic root of 13693493 is about 239.2423619432.

The spelling of 13693493 in words is "thirteen million, six hundred ninety-three thousand, four hundred ninety-three".

Divisors: 1 11 1244863 13693493