Search a number
-
+
194500241 = 132472521
BaseRepresentation
bin10111001011111…
…01011010010001
3111112222122011122
423211331122101
5344243001431
631144452025
74551140045
oct1345753221
9445878148
10194500241
119a876a01
125517a015
13313acc00
141bb90025
151211ea7b
hexb97d691

194500241 has 18 divisors (see below), whose sum is σ = 215602182. Its totient is φ = 175381440.

The previous prime is 194500237. The next prime is 194500249. The reversal of 194500241 is 142005491.

It can be written as a sum of positive squares in 3 ways, for example, as 2262016 + 192238225 = 1504^2 + 13865^2 .

It is not a de Polignac number, because 194500241 - 22 = 194500237 is a prime.

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 194500241.

It is not an unprimeable number, because it can be changed into a prime (194500249) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 373061 + ... + 373581.

It is an arithmetic number, because the mean of its divisors is an integer number (11977899).

Almost surely, 2194500241 is an apocalyptic number.

It is an amenable number.

194500241 is a deficient number, since it is larger than the sum of its proper divisors (21101941).

194500241 is an equidigital number, since it uses as much as digits as its factorization.

194500241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 194500241 is about 13946.3343212473. The cubic root of 194500241 is about 579.3931832235.

The spelling of 194500241 in words is "one hundred ninety-four million, five hundred thousand, two hundred forty-one".

Divisors: 1 13 47 169 521 611 2209 6773 7943 24487 28717 88049 318331 373321 1150889 4138303 14961557 194500241