Search a number
-
+
208794341 = 724261109
BaseRepresentation
bin11000111000111…
…11001011100101
3112112212211222202
430130133023211
5411422404331
632415104245
75113502600
oct1434371345
9475784882
10208794341
11a794a308
1259b12085
1334346162
141da31337
15134e4ecb
hexc71f2e5

208794341 has 6 divisors (see below), whose sum is σ = 242883270. Its totient is φ = 178966536.

The previous prime is 208794319. The next prime is 208794347. The reversal of 208794341 is 143497802.

It can be written as a sum of positive squares in only one way, i.e., 150577441 + 58216900 = 12271^2 + 7630^2 .

It is not a de Polignac number, because 208794341 - 218 = 208532197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 208794295 and 208794304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208794347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2130506 + ... + 2130603.

It is an arithmetic number, because the mean of its divisors is an integer number (40480545).

Almost surely, 2208794341 is an apocalyptic number.

It is an amenable number.

208794341 is a deficient number, since it is larger than the sum of its proper divisors (34088929).

208794341 is an equidigital number, since it uses as much as digits as its factorization.

208794341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261123 (or 4261116 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 208794341 is about 14449.7176789029. The cubic root of 208794341 is about 593.2524966321.

The spelling of 208794341 in words is "two hundred eight million, seven hundred ninety-four thousand, three hundred forty-one".

Divisors: 1 7 49 4261109 29827763 208794341