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205541152 = 2517478039
BaseRepresentation
bin11000100000001…
…00111100100000
3112022202120110021
430100010330200
5410104304102
632221243224
75044033225
oct1420047440
9468676407
10205541152
11a6028123
1258a03514
13337774ab
141d42594c
15130a1137
hexc404f20

205541152 has 48 divisors (see below), whose sum is σ = 437633280. Its totient is φ = 94655488.

The previous prime is 205541143. The next prime is 205541197. The reversal of 205541152 is 251145502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21549 + ... + 29587.

It is an arithmetic number, because the mean of its divisors is an integer number (9117360).

Almost surely, 2205541152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205541152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218816640).

205541152 is an abundant number, since it is smaller than the sum of its proper divisors (232092128).

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

205541152 is a wasteful number, since it uses less digits than its factorization.

205541152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113 (or 8105 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 205541152 is about 14336.7064558078. The cubic root of 205541152 is about 590.1552325427.

Adding to 205541152 its reverse (251145502), we get a palindrome (456686654).

The spelling of 205541152 in words is "two hundred five million, five hundred forty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 47 68 94 136 188 272 376 544 752 799 1504 1598 3196 6392 8039 12784 16078 25568 32156 64312 128624 136663 257248 273326 377833 546652 755666 1093304 1511332 2186608 3022664 4373216 6045328 6423161 12090656 12846322 25692644 51385288 102770576 205541152