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685083 = 371719101
BaseRepresentation
bin10100111010000011011
31021210202110
42213100123
5133410313
622403403
75552220
oct2472033
91253673
10685083
11428793
12290563
131aca99
1413b947
15d7ec3
hexa741b

685083 has 32 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 345600.

The previous prime is 685081. The next prime is 685093. The reversal of 685083 is 380586.

685083 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 685083 - 21 = 685081 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

685083 is a lucky number.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 685083.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 685083.

It is not an unprimeable number, because it can be changed into a prime (685081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6733 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2685083 is an apocalyptic number.

685083 is a deficient number, since it is larger than the sum of its proper divisors (489957).

685083 is a wasteful number, since it uses less digits than its factorization.

685083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 685083 is about 827.6974084773. The cubic root of 685083 is about 88.1551584320.

It can be divided in two parts, 68 and 5083, that added together give a triangular number (5151 = T101).

The spelling of 685083 in words is "six hundred eighty-five thousand, eighty-three".

Divisors: 1 3 7 17 19 21 51 57 101 119 133 303 323 357 399 707 969 1717 1919 2121 2261 5151 5757 6783 12019 13433 32623 36057 40299 97869 228361 685083