Search a number
-
+
205130532 = 22326364997
BaseRepresentation
bin11000011101000…
…00101100100100
3112021222201012010
430032200230210
5410003134112
632204354220
75040403125
oct1416405444
9467881163
10205130532
11a5877672
1258845970
1333662619
141d35a04c
151301e63c
hexc3a0b24

205130532 has 24 divisors (see below), whose sum is σ = 480465216. Its totient is φ = 68115808.

The previous prime is 205130509. The next prime is 205130561. The reversal of 205130532 is 235031502.

It is a junction number, because it is equal to n+sod(n) for n = 205130499 and 205130508.

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 7 ways as a sum of consecutive naturals, for example, 29343 + ... + 35654.

It is an arithmetic number, because the mean of its divisors is an integer number (20019384).

Almost surely, 2205130532 is an apocalyptic number.

It is an amenable number.

205130532 is an abundant number, since it is smaller than the sum of its proper divisors (275334684).

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

205130532 is a wasteful number, since it uses less digits than its factorization.

205130532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65267 (or 65265 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 205130532 is about 14322.3787130490. The cubic root of 205130532 is about 589.7619761884.

The spelling of 205130532 in words is "two hundred five million, one hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 263 526 789 1052 1578 3156 64997 129994 194991 259988 389982 779964 17094211 34188422 51282633 68376844 102565266 205130532