Search a number
-
+
13693195 = 52738639
BaseRepresentation
bin110100001111…
…000100001011
3221202200112101
4310033010023
512001140240
61205254231
7224250565
oct64170413
927680471
1013693195
11780299a
124704377
132ab58a9
141b66335
15130739a
hexd0f10b

13693195 has 4 divisors (see below), whose sum is σ = 16431840. Its totient is φ = 10954552.

The previous prime is 13693187. The next prime is 13693201. The reversal of 13693195 is 59139631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59139631 = 179330389.

It is a cyclic number.

It is not a de Polignac number, because 13693195 - 23 = 13693187 is a prime.

It is an unprimeable number.

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, 1369315 + ... + 1369324.

It is an arithmetic number, because the mean of its divisors is an integer number (4107960).

Almost surely, 213693195 is an apocalyptic number.

13693195 is a deficient number, since it is larger than the sum of its proper divisors (2738645).

13693195 is an equidigital number, since it uses as much as digits as its factorization.

13693195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738644.

The product of its digits is 21870, while the sum is 37.

The square root of 13693195 is about 3700.4317315686. The cubic root of 13693195 is about 239.2406264537.

It can be divided in two parts, 136931 and 95, that added together give a triangular number (137026 = T523).

The spelling of 13693195 in words is "thirteen million, six hundred ninety-three thousand, one hundred ninety-five".

Divisors: 1 5 2738639 13693195