Search a number
-
+
441389 = 13191787
BaseRepresentation
bin1101011110000101101
3211102110202
41223300231
5103111024
613243245
73515564
oct1536055
9742422
10441389
11281693
12193525
13125ba0
14b6bdb
158abae
hex6bc2d

441389 has 8 divisors (see below), whose sum is σ = 500640. Its totient is φ = 385776.

The previous prime is 441361. The next prime is 441403. The reversal of 441389 is 983144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 441389 - 212 = 437293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441319) 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 7 ways as a sum of consecutive naturals, for example, 647 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (62580).

2441389 is an apocalyptic number.

It is an amenable number.

441389 is a deficient number, since it is larger than the sum of its proper divisors (59251).

441389 is a wasteful number, since it uses less digits than its factorization.

441389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 3456, while the sum is 29.

The square root of 441389 is about 664.3711312211. The cubic root of 441389 is about 76.1390000073.

It can be divided in two parts, 44 and 1389, that multiplied together give a palindrome (61116).

The spelling of 441389 in words is "four hundred forty-one thousand, three hundred eighty-nine".

Divisors: 1 13 19 247 1787 23231 33953 441389