Search a number
-
+
205949332 = 22331315541
BaseRepresentation
bin11000100011010…
…00100110010100
3112100112022101001
430101220212110
5410210334312
632234113044
75050353241
oct1421504624
9470468331
10205949332
11a6286866
1258b7b784
133388b214
141d4d05c8
1513132057
hexc468994

205949332 has 12 divisors (see below), whose sum is σ = 360543316. Its totient is φ = 102936960.

The previous prime is 205949323. The next prime is 205949351. The reversal of 205949332 is 233949502.

It can be written as a sum of positive squares in 2 ways, for example, as 177262596 + 28686736 = 13314^2 + 5356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205949291 and 205949300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5482 + ... + 21022.

Almost surely, 2205949332 is an apocalyptic number.

It is an amenable number.

205949332 is a deficient number, since it is larger than the sum of its proper divisors (154593984).

205949332 is a wasteful number, since it uses less digits than its factorization.

205949332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18858 (or 18856 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 205949332 is about 14350.9348824388. The cubic root of 205949332 is about 590.5456333245.

The spelling of 205949332 in words is "two hundred five million, nine hundred forty-nine thousand, three hundred thirty-two".

Divisors: 1 2 4 3313 6626 13252 15541 31082 62164 51487333 102974666 205949332