Search a number
-
+
205056060 = 223511973203
BaseRepresentation
bin11000011100011…
…10100000111100
3112021211221000220
430032032200330
5404443243220
632203021340
75036643036
oct1416164074
9467757026
10205056060
11a5826720
125880a850
1333637761
141d33ac56
1513007540
hexc38e83c

205056060 has 96 divisors (see below), whose sum is σ = 633007872. Its totient is φ = 49182720.

The previous prime is 205056031. The next prime is 205056083. The reversal of 205056060 is 60650502.

205056060 is nontrivially palindromic in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 205056060.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62419 + ... + 65621.

It is an arithmetic number, because the mean of its divisors is an integer number (6593832).

Almost surely, 2205056060 is an apocalyptic number.

205056060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205056060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316503936).

205056060 is an abundant number, since it is smaller than the sum of its proper divisors (427951812).

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

205056060 is a wasteful number, since it uses less digits than its factorization.

205056060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323 (or 3321 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 205056060 is about 14319.7786295739. The cubic root of 205056060 is about 589.6905971342.

It can be divided in two parts, 20505 and 6060, that added together give a triangular number (26565 = T230).

The spelling of 205056060 in words is "two hundred five million, fifty-six thousand, sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 97 110 132 165 194 220 291 330 388 485 582 660 970 1067 1164 1455 1940 2134 2910 3201 3203 4268 5335 5820 6402 6406 9609 10670 12804 12812 16005 16015 19218 21340 32010 32030 35233 38436 48045 64020 64060 70466 96090 105699 140932 176165 192180 211398 310691 352330 422796 528495 621382 704660 932073 1056990 1242764 1553455 1864146 2113980 3106910 3417601 3728292 4660365 6213820 6835202 9320730 10252803 13670404 17088005 18641460 20505606 34176010 41011212 51264015 68352020 102528030 205056060