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205153 = 1343367
BaseRepresentation
bin110010000101100001
3101102102021
4302011201
523031103
64221441
71513054
oct620541
9342367
10205153
11130153
129a881
13724c0
1454a9b
1540bbd
hex32161

205153 has 8 divisors (see below), whose sum is σ = 226688. Its totient is φ = 184464.

The previous prime is 205151. The next prime is 205157. The reversal of 205153 is 351502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205153 - 21 = 205151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376 + ... + 742.

It is an arithmetic number, because the mean of its divisors is an integer number (28336).

2205153 is an apocalyptic number.

It is an amenable number.

205153 is a deficient number, since it is larger than the sum of its proper divisors (21535).

205153 is a wasteful number, since it uses less digits than its factorization.

205153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 205153 is about 452.9381856280. The cubic root of 205153 is about 58.9783507663.

Adding to 205153 its reverse (351502), we get a palindrome (556655).

The spelling of 205153 in words is "two hundred five thousand, one hundred fifty-three".

Divisors: 1 13 43 367 559 4771 15781 205153