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1444085 = 5288817
BaseRepresentation
bin101100000100011110101
32201100220122
411200203311
5332202320
650541325
715163106
oct5404365
92640818
101444085
118a6a65
12597845
133b73b6
142983ad
151d7d25
hex1608f5

1444085 has 4 divisors (see below), whose sum is σ = 1732908. Its totient is φ = 1155264.

The previous prime is 1444081. The next prime is 1444087. The reversal of 1444085 is 5804441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1067089 + 376996 = 1033^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444085 - 22 = 1444081 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 (1444081) 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, 144404 + ... + 144413.

It is an arithmetic number, because the mean of its divisors is an integer number (433227).

21444085 is an apocalyptic number.

It is an amenable number.

1444085 is a deficient number, since it is larger than the sum of its proper divisors (288823).

1444085 is an equidigital number, since it uses as much as digits as its factorization.

1444085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288822.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1444085 is about 1201.7008779226. The cubic root of 1444085 is about 113.0310041012.

The spelling of 1444085 in words is "one million, four hundred forty-four thousand, eighty-five".

Divisors: 1 5 288817 1444085