Search a number
-
+
204068160 = 263457873
BaseRepresentation
bin11000010100111…
…01010101000000
3112012222201220000
430022131111000
5404220140120
632125520000
75025356622
oct1412352500
9465881800
10204068160
11a521147a
1258413000
133337cbba
141d160c12
1512dae990
hexc29d540

204068160 has 140 divisors (see below), whose sum is σ = 725998548. Its totient is φ = 54411264.

The previous prime is 204068159. The next prime is 204068171. The reversal of 204068160 is 61860402.

It can be written as a sum of positive squares in 2 ways, for example, as 32353344 + 171714816 = 5688^2 + 13104^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 21984 + ... + 29856.

Almost surely, 2204068160 is an apocalyptic number.

204068160 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 204068160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362999274).

204068160 is an abundant number, since it is smaller than the sum of its proper divisors (521930388).

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

204068160 is an equidigital number, since it uses as much as digits as its factorization.

204068160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 204068160 is about 14285.2427350745. The cubic root of 204068160 is about 588.7420867937.

The spelling of 204068160 in words is "two hundred four million, sixty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 270 288 320 324 360 405 432 480 540 576 648 720 810 864 960 1080 1296 1440 1620 1728 2160 2592 2880 3240 4320 5184 6480 7873 8640 12960 15746 23619 25920 31492 39365 47238 62984 70857 78730 94476 118095 125968 141714 157460 188952 212571 236190 251936 283428 314920 354285 377904 425142 472380 503872 566856 629840 637713 708570 755808 850284 944760 1062855 1133712 1259680 1275426 1417140 1511616 1700568 1889520 2125710 2267424 2519360 2550852 2834280 3188565 3401136 3779040 4251420 4534848 5101704 5668560 6377130 6802272 7558080 8502840 10203408 11337120 12754260 13604544 17005680 20406816 22674240 25508520 34011360 40813632 51017040 68022720 102034080 204068160