Search a number
-
+
205051235 = 5241170167
BaseRepresentation
bin11000011100011…
…01010101100011
3112021211200102012
430032031111203
5404443114420
632202543135
75036623004
oct1416152543
9467750365
10205051235
11a5823034
1258807aab
13336354bc
141d3391ab
1513005dc5
hexc38d563

205051235 has 8 divisors (see below), whose sum is σ = 247083936. Its totient is φ = 163359360.

The previous prime is 205051201. The next prime is 205051237. The reversal of 205051235 is 532150502.

205051235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-205051235 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205051235.

It is not an unprimeable number, because it can be changed into a prime (205051237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83879 + ... + 86288.

It is an arithmetic number, because the mean of its divisors is an integer number (30885492).

Almost surely, 2205051235 is an apocalyptic number.

205051235 is a deficient number, since it is larger than the sum of its proper divisors (42032701).

205051235 is a wasteful number, since it uses less digits than its factorization.

205051235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170413.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 205051235 is about 14319.6101553080. The cubic root of 205051235 is about 589.6859719284.

The spelling of 205051235 in words is "two hundred five million, fifty-one thousand, two hundred thirty-five".

Divisors: 1 5 241 1205 170167 850835 41010247 205051235