Search a number
-
+
195411161 = 1179224869
BaseRepresentation
bin10111010010110…
…11110011011001
3111121200220201102
423221123303121
5400011124121
631220201145
74561652561
oct1351336331
9447626642
10195411161
11a0339330
12555391b5
133163b70a
141bd49da1
151224e90b
hexba5bcd9

195411161 has 8 divisors (see below), whose sum is σ = 215875200. Its totient is φ = 175397040.

The previous prime is 195411157. The next prime is 195411173. The reversal of 195411161 is 161114591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195411161 - 22 = 195411157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195411191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111566 + ... + 113303.

It is an arithmetic number, because the mean of its divisors is an integer number (26984400).

Almost surely, 2195411161 is an apocalyptic number.

195411161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

195411161 is a deficient number, since it is larger than the sum of its proper divisors (20464039).

195411161 is a wasteful number, since it uses less digits than its factorization.

195411161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224959.

The product of its digits is 1080, while the sum is 29.

The square root of 195411161 is about 13978.9542169649. The cubic root of 195411161 is about 580.2962824327.

It can be divided in two parts, 19541 and 1161, that added together give a palindrome (20702).

The spelling of 195411161 in words is "one hundred ninety-five million, four hundred eleven thousand, one hundred sixty-one".

Divisors: 1 11 79 869 224869 2473559 17764651 195411161