Search a number
-
+
2720894323 = 7388699189
BaseRepresentation
bin1010001000101101…
…1000110101110011
321000121211202022211
42202023120311303
521033022104243
61125554112551
7124266135340
oct24213306563
97017752284
102720894323
1111769681a4
1263b27b757
13344920c54
141bb5117c7
1510dd10d9d
hexa22d8d73

2720894323 has 4 divisors (see below), whose sum is σ = 3109593520. Its totient is φ = 2332195128.

The previous prime is 2720894303. The next prime is 2720894399. The reversal of 2720894323 is 3234980272.

2720894323 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.

It is a cyclic number.

It is not a de Polignac number, because 2720894323 - 25 = 2720894291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2720894303) 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, 194349588 + ... + 194349601.

It is an arithmetic number, because the mean of its divisors is an integer number (777398380).

Almost surely, 22720894323 is an apocalyptic number.

2720894323 is a deficient number, since it is larger than the sum of its proper divisors (388699197).

2720894323 is an equidigital number, since it uses as much as digits as its factorization.

2720894323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388699196.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 2720894323 is about 52162.1924673417. The cubic root of 2720894323 is about 1396.0593817361.

The spelling of 2720894323 in words is "two billion, seven hundred twenty million, eight hundred ninety-four thousand, three hundred twenty-three".

Divisors: 1 7 388699189 2720894323