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383085 = 3258513
BaseRepresentation
bin1011101100001101101
3201110111100
41131201231
544224320
612113313
73153603
oct1354155
9643440
10383085
112418aa
12165839
131054a1
149d873
1578790
hex5d86d

383085 has 12 divisors (see below), whose sum is σ = 664092. Its totient is φ = 204288.

The previous prime is 383083. The next prime is 383099. The reversal of 383085 is 580383.

It can be written as a sum of positive squares in 2 ways, for example, as 281961 + 101124 = 531^2 + 318^2 .

It is not a de Polignac number, because 383085 - 21 = 383083 is a prime.

383085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4212 + ... + 4301.

It is an arithmetic number, because the mean of its divisors is an integer number (55341).

2383085 is an apocalyptic number.

It is an amenable number.

383085 is a deficient number, since it is larger than the sum of its proper divisors (281007).

383085 is a wasteful number, since it uses less digits than its factorization.

383085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524 (or 8521 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 383085 is about 618.9386076179. The cubic root of 383085 is about 72.6270463626.

The spelling of 383085 in words is "three hundred eighty-three thousand, eighty-five".

Divisors: 1 3 5 9 15 45 8513 25539 42565 76617 127695 383085