Search a number
-
+
2440827709 = 5361754973
BaseRepresentation
bin1001000101111100…
…0001001100111101
320022002211220011021
42101133001030331
514444322441314
61042111224141
7114325456525
oct22137011475
96262756137
102440827709
111042868a91
12581518051
132cb8b2168
1419224a685
15e443d324
hex917c133d

2440827709 has 8 divisors (see below), whose sum is σ = 2527652952. Its totient is φ = 2355512640.

The previous prime is 2440827691. The next prime is 2440827713. The reversal of 2440827709 is 9077280442.

2440827709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 153884025 + 2286943684 = 12405^2 + 47822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2440827709 - 25 = 2440827677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440824709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374254 + ... + 380719.

It is an arithmetic number, because the mean of its divisors is an integer number (315956619).

Almost surely, 22440827709 is an apocalyptic number.

It is an amenable number.

2440827709 is a deficient number, since it is larger than the sum of its proper divisors (86825243).

2440827709 is an equidigital number, since it uses as much as digits as its factorization.

2440827709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755087.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2440827709 is about 49404.7336699632. The cubic root of 2440827709 is about 1346.4153109430.

The spelling of 2440827709 in words is "two billion, four hundred forty million, eight hundred twenty-seven thousand, seven hundred nine".

Divisors: 1 53 61 3233 754973 40013569 46053353 2440827709