Search a number
-
+
2444001361 = 2984275909
BaseRepresentation
bin1001000110101100…
…1000000001010001
320022022211010120221
42101223020001101
520001131020421
61042303233041
7114364445254
oct22153100121
96268733527
102444001361
11104463643a
125825a8781
132cc453869
1419283509b
15e4868841
hex91ac8051

2444001361 has 4 divisors (see below), whose sum is σ = 2528277300. Its totient is φ = 2359725424.

The previous prime is 2444001359. The next prime is 2444001377. The reversal of 2444001361 is 1631004442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1631004442 = 2815502221.

It can be written as a sum of positive squares in 2 ways, for example, as 1319069761 + 1124931600 = 36319^2 + 33540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2444001361 - 21 = 2444001359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444001761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42137926 + ... + 42137983.

It is an arithmetic number, because the mean of its divisors is an integer number (632069325).

Almost surely, 22444001361 is an apocalyptic number.

It is an amenable number.

2444001361 is a deficient number, since it is larger than the sum of its proper divisors (84275939).

2444001361 is an equidigital number, since it uses as much as digits as its factorization.

2444001361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84275938.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2444001361 is about 49436.8421422728. The cubic root of 2444001361 is about 1346.9986107491.

The spelling of 2444001361 in words is "two billion, four hundred forty-four million, one thousand, three hundred sixty-one".

Divisors: 1 29 84275909 2444001361