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44785 = 513253
BaseRepresentation
bin1010111011110001
32021102201
422323301
52413120
6543201
7244366
oct127361
967381
1044785
1130714
1221b01
1317500
141246d
15d40a
hexaef1

44785 has 12 divisors (see below), whose sum is σ = 59292. Its totient is φ = 32448.

The previous prime is 44777. The next prime is 44789. The reversal of 44785 is 58744.

44785 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5184 + 39601 = 72^2 + 199^2 .

It is not a de Polignac number, because 44785 - 23 = 44777 is a prime.

It is an Ulam number.

It is a Duffinian number.

44785 is strictly pandigital in base 6.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44789) 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, 819 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (4941).

244785 is an apocalyptic number.

It is an amenable number.

44785 is a deficient number, since it is larger than the sum of its proper divisors (14507).

44785 is a wasteful number, since it uses less digits than its factorization.

44785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 71 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 44785 is about 211.6246677493. The cubic root of 44785 is about 35.5121957701.

The spelling of 44785 in words is "forty-four thousand, seven hundred eighty-five".

Divisors: 1 5 13 53 65 169 265 689 845 3445 8957 44785