Search a number
-
+
205789093 = 678934511
BaseRepresentation
bin11000100010000…
…01011110100101
3112100020011120021
430101001132211
5410140222333
632230435141
75046115126
oct1421013645
9470204507
10205789093
11a6187434
1258b02ab1
13338332c3
141d48c04d
15130ee82d
hexc4417a5

205789093 has 8 divisors (see below), whose sum is σ = 211213440. Its totient is φ = 200434080.

The previous prime is 205789069. The next prime is 205789123. The reversal of 205789093 is 390987502.

It is a happy number.

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 205789093 - 213 = 205780901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205789033) 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, 11293 + ... + 23218.

It is an arithmetic number, because the mean of its divisors is an integer number (26401680).

Almost surely, 2205789093 is an apocalyptic number.

It is an amenable number.

205789093 is a deficient number, since it is larger than the sum of its proper divisors (5424347).

205789093 is an equidigital number, since it uses as much as digits as its factorization.

205789093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34667.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 205789093 is about 14345.3509193745. The cubic root of 205789093 is about 590.3924354588.

The spelling of 205789093 in words is "two hundred five million, seven hundred eighty-nine thousand, ninety-three".

Divisors: 1 67 89 5963 34511 2312237 3071479 205789093