Search a number
-
+
195357241 = 443440987
BaseRepresentation
bin10111010010011…
…10101000111001
3111121121011202101
423221032220321
5400002412431
631215103401
74561336432
oct1351165071
9447534671
10195357241
11a0301872
1255511b61
1331620001
141bd34489
151223d961
hexba4ea39

195357241 has 4 divisors (see below), whose sum is σ = 195798672. Its totient is φ = 194915812.

The previous prime is 195357223. The next prime is 195357247. The reversal of 195357241 is 142753591.

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, and also an emirpimes, since its reverse is a distinct semiprime: 142753591 = 191747401.

It is a cyclic number.

It is not a de Polignac number, because 195357241 - 25 = 195357209 is a prime.

It is a super-2 number, since 2×1953572412 = 76328903222264162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195357241.

It is not an unprimeable number, because it can be changed into a prime (195357247) 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, 220051 + ... + 220936.

It is an arithmetic number, because the mean of its divisors is an integer number (48949668).

Almost surely, 2195357241 is an apocalyptic number.

It is an amenable number.

195357241 is a deficient number, since it is larger than the sum of its proper divisors (441431).

195357241 is an equidigital number, since it uses as much as digits as its factorization.

195357241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441430.

The product of its digits is 37800, while the sum is 37.

The square root of 195357241 is about 13977.0254703925. The cubic root of 195357241 is about 580.2429036087.

The spelling of 195357241 in words is "one hundred ninety-five million, three hundred fifty-seven thousand, two hundred forty-one".

Divisors: 1 443 440987 195357241