Search a number
-
+
194848261 = 672908183
BaseRepresentation
bin10111001110100…
…10011000000101
3111120122022120021
423213102120011
5344340121021
631200135141
74554116506
oct1347223005
9446568507
10194848261
119aa94423
12553074b1
13314a243a
141bc40bad
151218cc41
hexb9d2605

194848261 has 4 divisors (see below), whose sum is σ = 197756512. Its totient is φ = 191940012.

The previous prime is 194848243. The next prime is 194848279. The reversal of 194848261 is 162848491.

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 an interprime number because it is at equal distance from previous prime (194848243) and next prime (194848279).

It is a cyclic number.

It is not a de Polignac number, because 194848261 - 27 = 194848133 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 (194878261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454025 + ... + 1454158.

It is an arithmetic number, because the mean of its divisors is an integer number (49439128).

Almost surely, 2194848261 is an apocalyptic number.

It is an amenable number.

194848261 is a deficient number, since it is larger than the sum of its proper divisors (2908251).

194848261 is an equidigital number, since it uses as much as digits as its factorization.

194848261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908250.

The product of its digits is 110592, while the sum is 43.

The square root of 194848261 is about 13958.8058586686. The cubic root of 194848261 is about 579.7385474395.

The spelling of 194848261 in words is "one hundred ninety-four million, eight hundred forty-eight thousand, two hundred sixty-one".

Divisors: 1 67 2908183 194848261