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44217 = 32173
BaseRepresentation
bin1010110010111001
32020122200
422302321
52403332
6540413
7242625
oct126271
966580
1044217
1130248
1221709
1317184
1412185
15d17c
hexacb9

44217 has 12 divisors (see below), whose sum is σ = 67860. Its totient is φ = 27744.

The previous prime is 44207. The next prime is 44221. The reversal of 44217 is 71244.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 24336 + 19881 = 156^2 + 141^2 .

It is not a de Polignac number, because 44217 - 24 = 44201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44217.

It is not an unprimeable number, because it can be changed into a prime (44207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2593 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (5655).

244217 is an apocalyptic number.

It is an amenable number.

44217 is a deficient number, since it is larger than the sum of its proper divisors (23643).

44217 is an equidigital number, since it uses as much as digits as its factorization.

44217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 20 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 44217 is about 210.2783869065. The cubic root of 44217 is about 35.3614249919.

The spelling of 44217 in words is "forty-four thousand, two hundred seventeen", and thus it is an iban number.

Divisors: 1 3 9 17 51 153 289 867 2601 4913 14739 44217