Search a number
-
+
308065050 = 2325219137263
BaseRepresentation
bin10010010111001…
…011001100011010
3210110200022210200
4102113023030122
51112331040200
650322523030
710430336556
oct2227131432
9713608720
10308065050
11148992917
1287206476
134ba92a17
142ccb2866
151c0a3800
hex125cb31a

308065050 has 144 divisors (see below), whose sum is σ = 880925760. Its totient is φ = 76965120.

The previous prime is 308065033. The next prime is 308065063. The reversal of 308065050 is 50560803.

308065050 is a `hidden beast` number, since 3 + 0 + 8 + 0 + 650 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1171219 + ... + 1171481.

It is an arithmetic number, because the mean of its divisors is an integer number (6117540).

Almost surely, 2308065050 is an apocalyptic number.

308065050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 308065050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440462880).

308065050 is an abundant number, since it is smaller than the sum of its proper divisors (572860710).

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

308065050 is a wasteful number, since it uses less digits than its factorization.

308065050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 308065050 is about 17551.7819608153. The cubic root of 308065050 is about 675.3788819415.

The spelling of 308065050 in words is "three hundred eight million, sixty-five thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 19 25 30 38 45 50 57 75 90 95 114 137 150 171 190 225 263 274 285 342 411 450 475 526 570 685 789 822 855 950 1233 1315 1370 1425 1578 1710 2055 2367 2466 2603 2630 2850 3425 3945 4110 4275 4734 4997 5206 6165 6575 6850 7809 7890 8550 9994 10275 11835 12330 13015 13150 14991 15618 19725 20550 23427 23670 24985 26030 29982 30825 36031 39045 39450 44973 46854 49970 59175 61650 65075 72062 74955 78090 89946 108093 117135 118350 124925 130150 149910 180155 195225 216186 224865 234270 249850 324279 360310 374775 390450 449730 540465 585675 648558 684589 749550 900775 1080930 1124325 1171350 1369178 1621395 1801550 2053767 2248650 2702325 3242790 3422945 4107534 5404650 6161301 6845890 8106975 10268835 12322602 16213950 17114725 20537670 30806505 34229450 51344175 61613010 102688350 154032525 308065050