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44489 = 172617
BaseRepresentation
bin1010110111001001
32021000202
422313021
52410424
6541545
7243464
oct126711
967022
1044489
1130475
12218b5
1317333
14122db
15d2ae

44489 has 4 divisors (see below), whose sum is σ = 47124. Its totient is φ = 41856.

The previous prime is 44483. The next prime is 44491. The reversal of 44489 is 98444.

It can be divided in two parts, 4 and 4489, that multiplied together give a square (17956 = 1342).

It is a happy number.

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 40000 + 4489 = 200^2 + 67^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44489 is a prime.

It is a super-2 number, since 2×444892 = 3958542242, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44483) 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, 1292 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (11781).

244489 is an apocalyptic number.

It is an amenable number.

44489 is a deficient number, since it is larger than the sum of its proper divisors (2635).

44489 is a wasteful number, since it uses less digits than its factorization.

44489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634.

The product of its digits is 4608, while the sum is 29.

The square root of 44489 is about 210.9241569854. The cubic root of 44489 is about 35.4337851885.

The spelling of 44489 in words is "forty-four thousand, four hundred eighty-nine".

Divisors: 1 17 2617 44489