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1444057 = 1976003
BaseRepresentation
bin101100000100011011001
32201100212121
411200203121
5332202212
650541241
715163036
oct5404331
92640777
101444057
118a6a3a
12597821
133b7394
1429838d
151d7d07
hex1608d9

1444057 has 4 divisors (see below), whose sum is σ = 1520080. Its totient is φ = 1368036.

The previous prime is 1444043. The next prime is 1444063. The reversal of 1444057 is 7504441.

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 a cyclic number.

It is not a de Polignac number, because 1444057 - 211 = 1442009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444007) 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, 37983 + ... + 38020.

It is an arithmetic number, because the mean of its divisors is an integer number (380020).

21444057 is an apocalyptic number.

It is an amenable number.

1444057 is a deficient number, since it is larger than the sum of its proper divisors (76023).

1444057 is an equidigital number, since it uses as much as digits as its factorization.

1444057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76022.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1444057 is about 1201.6892277124. The cubic root of 1444057 is about 113.0302735605.

Adding to 1444057 its reverse (7504441), we get a palindrome (8948498).

The spelling of 1444057 in words is "one million, four hundred forty-four thousand, fifty-seven".

Divisors: 1 19 76003 1444057