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44008 = 235501
BaseRepresentation
bin1010101111101000
32020100221
422233220
52402013
6535424
7242206
oct125750
966327
1044008
1130078
1221574
1317053
1412076
15d08d
hexabe8

44008 has 8 divisors (see below), whose sum is σ = 82530. Its totient is φ = 22000.

The previous prime is 43997. The next prime is 44017. The reversal of 44008 is 80044.

It can be written as a sum of positive squares in only one way, i.e., 24964 + 19044 = 158^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 43982 and 44000.

It is an unprimeable number.

44008 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2743 + ... + 2758.

244008 is an apocalyptic number.

It is an amenable number.

44008 is a deficient number, since it is larger than the sum of its proper divisors (38522).

44008 is a wasteful number, since it uses less digits than its factorization.

44008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507 (or 5503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 44008 is about 209.7808380191. The cubic root of 44008 is about 35.3056228287.

The spelling of 44008 in words is "forty-four thousand, eight".

Divisors: 1 2 4 8 5501 11002 22004 44008