Search a number
-
+
205114212 = 22325697617
BaseRepresentation
bin11000011100111…
…00101101100100
3112021221212210200
430032130231210
5410002123322
632204150500
75040304422
oct1416345544
9467855720
10205114212
11a5866386
1258838430
1333658074
141d354112
15130198ac
hexc39cb64

205114212 has 18 divisors (see below), whose sum is σ = 518483238. Its totient is φ = 68371392.

The previous prime is 205114183. The next prime is 205114213. The reversal of 205114212 is 212411502.

205114212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204604416 + 509796 = 14304^2 + 714^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205114213) 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, 2848773 + ... + 2848844.

Almost surely, 2205114212 is an apocalyptic number.

It is an amenable number.

205114212 is an abundant number, since it is smaller than the sum of its proper divisors (313369026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205114212 is a wasteful number, since it uses less digits than its factorization.

205114212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697627 (or 5697622 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 205114212 is about 14321.8089639542. The cubic root of 205114212 is about 589.7463354634.

Adding to 205114212 its reverse (212411502), we get a palindrome (417525714).

The spelling of 205114212 in words is "two hundred five million, one hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 5697617 11395234 17092851 22790468 34185702 51278553 68371404 102557106 205114212