Search a number
-
+
205893207 = 32132135367
BaseRepresentation
bin11000100010110…
…10111001010111
3112100102110101100
430101122321113
5410202040312
632233001143
75050030512
oct1421327127
9470373340
10205893207
11a6248683
1258b531b3
133386b800
141d4b7d79
15131205dc
hexc45ae57

205893207 has 18 divisors (see below), whose sum is σ = 322040472. Its totient is φ = 126702576.

The previous prime is 205893199. The next prime is 205893209. The reversal of 205893207 is 702398502.

It is a happy number.

It is not a de Polignac number, because 205893207 - 23 = 205893199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205893209) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 66163 + ... + 69204.

Almost surely, 2205893207 is an apocalyptic number.

205893207 is a deficient number, since it is larger than the sum of its proper divisors (116147265).

205893207 is a wasteful number, since it uses less digits than its factorization.

205893207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135399 (or 135383 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 205893207 is about 14348.9793016786. The cubic root of 205893207 is about 590.4919835835.

The spelling of 205893207 in words is "two hundred five million, eight hundred ninety-three thousand, two hundred seven".

Divisors: 1 3 9 13 39 117 169 507 1521 135367 406101 1218303 1759771 5279313 15837939 22877023 68631069 205893207