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205114400 = 2552256393
BaseRepresentation
bin11000011100111…
…00110000100000
3112021221220001122
430032130300200
5410002130100
632204151412
75040305111
oct1416346040
9467856048
10205114400
11a5866537
1258838568
133365818a
141d354208
1513019985
hexc39cc20

205114400 has 36 divisors (see below), whose sum is σ = 500737482. Its totient is φ = 82045440.

The previous prime is 205114387. The next prime is 205114423. The reversal of 205114400 is 4411502.

It can be written as a sum of positive squares in 3 ways, for example, as 166823056 + 38291344 = 12916^2 + 6188^2 .

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 5 ways as a sum of consecutive naturals, for example, 127397 + ... + 128996.

Almost surely, 2205114400 is an apocalyptic number.

205114400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205114400 is an abundant number, since it is smaller than the sum of its proper divisors (295623082).

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

205114400 is a wasteful number, since it uses less digits than its factorization.

205114400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256413 (or 256400 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 205114400 is about 14321.8155273694. The cubic root of 205114400 is about 589.7465156432.

Adding to 205114400 its reverse (4411502), we get a palindrome (209525902).

The spelling of 205114400 in words is "two hundred five million, one hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 256393 512786 1025572 1281965 2051144 2563930 4102288 5127860 6409825 8204576 10255720 12819650 20511440 25639300 41022880 51278600 102557200 205114400