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1441045 = 5288209
BaseRepresentation
bin101011111110100010101
32201012202001
411133310111
5332103140
650515301
715151204
oct5376425
92635661
101441045
118a4751
12595b31
133b5bb8
1429723b
151d6e9a
hex15fd15

1441045 has 4 divisors (see below), whose sum is σ = 1729260. Its totient is φ = 1152832.

The previous prime is 1441031. The next prime is 1441049. The reversal of 1441045 is 5401441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5401441 = 31317257.

It can be written as a sum of positive squares in 2 ways, for example, as 272484 + 1168561 = 522^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441045 - 29 = 1440533 is a prime.

It is a super-2 number, since 2×14410452 = 4153221384050, which contains 22 as substring.

1441045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144100 + ... + 144109.

It is an arithmetic number, because the mean of its divisors is an integer number (432315).

21441045 is an apocalyptic number.

It is an amenable number.

1441045 is a deficient number, since it is larger than the sum of its proper divisors (288215).

1441045 is an equidigital number, since it uses as much as digits as its factorization.

1441045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288214.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1441045 is about 1200.4353377005. The cubic root of 1441045 is about 112.9516330454.

Adding to 1441045 its reverse (5401441), we get a palindrome (6842486).

The spelling of 1441045 in words is "one million, four hundred forty-one thousand, forty-five".

Divisors: 1 5 288209 1441045