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1444434001 = 2949808069
BaseRepresentation
bin101011000011000…
…0101000001010001
310201122221211221121
41112012011001101
510424233342001
6355155122241
750536325563
oct12606050121
93648854847
101444434001
1168138870a
123438a3381
131a033859a
14d9b9b333
1586c206a1
hex56185051

1444434001 has 4 divisors (see below), whose sum is σ = 1494242100. Its totient is φ = 1394625904.

The previous prime is 1444433989. The next prime is 1444434071. The reversal of 1444434001 is 1004344441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1004344441 = 8911284769.

It can be written as a sum of positive squares in 2 ways, for example, as 660490000 + 783944001 = 25700^2 + 27999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444434001 - 27 = 1444433873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444434071) 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, 24904006 + ... + 24904063.

It is an arithmetic number, because the mean of its divisors is an integer number (373560525).

Almost surely, 21444434001 is an apocalyptic number.

It is an amenable number.

1444434001 is a deficient number, since it is larger than the sum of its proper divisors (49808099).

1444434001 is an equidigital number, since it uses as much as digits as its factorization.

1444434001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49808098.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1444434001 is about 38005.7101104558. The cubic root of 1444434001 is about 1130.4010900293.

Adding to 1444434001 its reverse (1004344441), we get a palindrome (2448778442).

The spelling of 1444434001 in words is "one billion, four hundred forty-four million, four hundred thirty-four thousand, one".

Divisors: 1 29 49808069 1444434001