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244442001 = 381480667
BaseRepresentation
bin11101001000111…
…10001110010001
3122000221221101110
432210132032101
51000034121001
640131123533
76025502616
oct1644361621
9560857343
10244442001
11115a87991
1269a435a9
133b84794b
142467050d
15166d73d6
hexe91e391

244442001 has 4 divisors (see below), whose sum is σ = 325922672. Its totient is φ = 162961332.

The previous prime is 244441993. The next prime is 244442047. The reversal of 244442001 is 100244442.

244442001 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 Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 244442001 - 23 = 244441993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244442071) 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, 40740331 + ... + 40740336.

It is an arithmetic number, because the mean of its divisors is an integer number (81480668).

Almost surely, 2244442001 is an apocalyptic number.

It is an amenable number.

244442001 is a deficient number, since it is larger than the sum of its proper divisors (81480671).

244442001 is an equidigital number, since it uses as much as digits as its factorization.

244442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81480670.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 244442001 is about 15634.6410576003. The cubic root of 244442001 is about 625.2570684375.

Adding to 244442001 its reverse (100244442), we get a palindrome (344686443).

The spelling of 244442001 in words is "two hundred forty-four million, four hundred forty-two thousand, one".

Divisors: 1 3 81480667 244442001