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44085145 = 5134431531
BaseRepresentation
bin1010100000101…
…0111110011001
310001221202110011
42220022332121
542241211040
64212521521
71043501056
oct250127631
9101852404
1044085145
1122980905
12129202a1
1391970b0
145bd802d
153d0c3ea
hex2a0af99

44085145 has 16 divisors (see below), whose sum is σ = 57137472. Its totient is φ = 32460480.

The previous prime is 44085137. The next prime is 44085157. The reversal of 44085145 is 54158044.

44085145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44085145 - 23 = 44085137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28030 + ... + 29560.

It is an arithmetic number, because the mean of its divisors is an integer number (3571092).

Almost surely, 244085145 is an apocalyptic number.

It is an amenable number.

44085145 is a deficient number, since it is larger than the sum of its proper divisors (13052327).

44085145 is a wasteful number, since it uses less digits than its factorization.

44085145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 44085145 is about 6639.6645246579. The cubic root of 44085145 is about 353.2624076419.

It can be divided in two parts, 440851 and 45, that added together give a square (440896 = 6642).

The spelling of 44085145 in words is "forty-four million, eighty-five thousand, one hundred forty-five".

Divisors: 1 5 13 65 443 1531 2215 5759 7655 19903 28795 99515 678233 3391165 8817029 44085145