Search a number
-
+
209337041 = 192579881
BaseRepresentation
bin11000111101000…
…11101011010001
3112120220102102202
430132203223101
5412042241131
632434452545
75121223034
oct1436435321
9476812382
10209337041
11a8190021
125a134155
13344a6194
141db3301b
15135a0bcb
hexc7a3ad1

209337041 has 6 divisors (see below), whose sum is σ = 220935042. Its totient is φ = 198318960.

The previous prime is 209337019. The next prime is 209337061. The reversal of 209337041 is 140733902.

It can be written as a sum of positive squares in only one way, i.e., 172370641 + 36966400 = 13129^2 + 6080^2 .

It is not a de Polignac number, because 209337041 - 222 = 205142737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 209336995 and 209337013.

It is not an unprimeable number, because it can be changed into a prime (209337001) 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, 289580 + ... + 290301.

It is an arithmetic number, because the mean of its divisors is an integer number (36822507).

Almost surely, 2209337041 is an apocalyptic number.

It is an amenable number.

209337041 is a deficient number, since it is larger than the sum of its proper divisors (11598001).

209337041 is an equidigital number, since it uses as much as digits as its factorization.

209337041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579919 (or 579900 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 209337041 is about 14468.4844057697. The cubic root of 209337041 is about 593.7660475663.

The spelling of 209337041 in words is "two hundred nine million, three hundred thirty-seven thousand, forty-one".

Divisors: 1 19 361 579881 11017739 209337041