Search a number
-
+
13195461 = 34398487
BaseRepresentation
bin110010010101…
…100011000101
3220211101202210
4302111203011
511334223321
61150454033
7220105506
oct62254305
926741683
1013195461
1174a2a44
124504319
132970186
141a76bad
151259b76
hexc958c5

13195461 has 4 divisors (see below), whose sum is σ = 17593952. Its totient is φ = 8796972.

The previous prime is 13195447. The next prime is 13195471. The reversal of 13195461 is 16459131.

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 not a de Polignac number, because 13195461 - 27 = 13195333 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 (13195471) 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, 2199241 + ... + 2199246.

It is an arithmetic number, because the mean of its divisors is an integer number (4398488).

Almost surely, 213195461 is an apocalyptic number.

It is an amenable number.

13195461 is a deficient number, since it is larger than the sum of its proper divisors (4398491).

13195461 is an equidigital number, since it uses as much as digits as its factorization.

13195461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398490.

The product of its digits is 3240, while the sum is 30.

The square root of 13195461 is about 3632.5557118921. Note that the first 3 decimals coincide. The cubic root of 13195461 is about 236.3060581958.

The spelling of 13195461 in words is "thirteen million, one hundred ninety-five thousand, four hundred sixty-one".

Divisors: 1 3 4398487 13195461