Search a number
-
+
206375271 = 368791757
BaseRepresentation
bin11000100110100…
…00100101100111
3112101022221122120
430103100211213
5410313002041
632251201023
75054106114
oct1423204547
9471287576
10206375271
11a6547883
1259146173
13339aa05b
141d5a190b
15131b8366
hexc4d0967

206375271 has 4 divisors (see below), whose sum is σ = 275167032. Its totient is φ = 137583512.

The previous prime is 206375243. The next prime is 206375303. The reversal of 206375271 is 172573602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206375271 - 222 = 202180967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206375471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34395876 + ... + 34395881.

It is an arithmetic number, because the mean of its divisors is an integer number (68791758).

Almost surely, 2206375271 is an apocalyptic number.

206375271 is a deficient number, since it is larger than the sum of its proper divisors (68791761).

206375271 is an equidigital number, since it uses as much as digits as its factorization.

206375271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68791760.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 206375271 is about 14365.7673307067. The cubic root of 206375271 is about 590.9524699738.

The spelling of 206375271 in words is "two hundred six million, three hundred seventy-five thousand, two hundred seventy-one".

Divisors: 1 3 68791757 206375271