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205083 = 3222787
BaseRepresentation
bin110010000100011011
3101102022200
4302010123
523030313
64221243
71512624
oct620433
9342280
10205083
1113009a
129a823
1372468
1454a4b
1540b73
hex3211b

205083 has 6 divisors (see below), whose sum is σ = 296244. Its totient is φ = 136716.

The previous prime is 205081. The next prime is 205097. The reversal of 205083 is 380502.

It is not a de Polignac number, because 205083 - 21 = 205081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11385 + ... + 11402.

It is an arithmetic number, because the mean of its divisors is an integer number (49374).

2205083 is an apocalyptic number.

205083 is a deficient number, since it is larger than the sum of its proper divisors (91161).

205083 is a wasteful number, since it uses less digits than its factorization.

205083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793 (or 22790 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 205083 is about 452.8609057978. The cubic root of 205083 is about 58.9716420266.

Adding to 205083 its reverse (380502), we get a palindrome (585585).

The spelling of 205083 in words is "two hundred five thousand, eighty-three".

Divisors: 1 3 9 22787 68361 205083