Search a number
-
+
2208097069 = 3725359273
BaseRepresentation
bin1000001110011100…
…1110001100101101
312200212220221201221
42003213032030231
514010233101234
61003035103341
7105501341533
oct20347161455
95625827657
102208097069
11a33460012
125175a1b51
13292608019
1416d388153
15cdcbaeb4
hex839ce32d

2208097069 has 4 divisors (see below), whose sum is σ = 2208193596. Its totient is φ = 2208000544.

The previous prime is 2208097051. The next prime is 2208097079. The reversal of 2208097069 is 9607908022.

It is a happy number.

2208097069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1904013225 + 304083844 = 43635^2 + 17438^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208097069 - 215 = 2208064301 is a prime.

It is a super-2 number, since 2×22080970692 = 9751385332252781522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208097019) 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, 7617 + ... + 66889.

It is an arithmetic number, because the mean of its divisors is an integer number (552048399).

Almost surely, 22208097069 is an apocalyptic number.

It is an amenable number.

2208097069 is a deficient number, since it is larger than the sum of its proper divisors (96527).

2208097069 is an equidigital number, since it uses as much as digits as its factorization.

2208097069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96526.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2208097069 is about 46990.3933692835. The cubic root of 2208097069 is about 1302.1850961441.

The spelling of 2208097069 in words is "two billion, two hundred eight million, ninety-seven thousand, sixty-nine".

Divisors: 1 37253 59273 2208097069