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238585824 = 2534831109
BaseRepresentation
bin11100011100010…
…00011111100000
3121121221102020000
432032020133200
5442034221244
635401420000
75624642331
oct1616103740
9547842200
10238585824
11112748074
1267a9a600
133a577259
1423988288
1515e2c169
hexe3887e0

238585824 has 120 divisors (see below), whose sum is σ = 710768520. Its totient is φ = 78499584.

The previous prime is 238585817. The next prime is 238585859. The reversal of 238585824 is 428585832.

238585824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 238585824.

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 19 ways as a sum of consecutive naturals, for example, 214582 + ... + 215690.

It is an arithmetic number, because the mean of its divisors is an integer number (5923071).

Almost surely, 2238585824 is an apocalyptic number.

238585824 is a gapful number since it is divisible by the number (24) 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 238585824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355384260).

238585824 is an abundant number, since it is smaller than the sum of its proper divisors (472182696).

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

238585824 is a wasteful number, since it uses less digits than its factorization.

238585824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1197 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 238585824 is about 15446.2236161464. The cubic root of 238585824 is about 620.2234920952.

It can be divided in two parts, 2385 and 85824, that added together give a square (88209 = 2972).

The spelling of 238585824 in words is "two hundred thirty-eight million, five hundred eighty-five thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 83 96 108 144 162 166 216 249 288 324 332 432 498 648 664 747 864 996 1109 1296 1328 1494 1992 2218 2241 2592 2656 2988 3327 3984 4436 4482 5976 6654 6723 7968 8872 8964 9981 11952 13308 13446 17744 17928 19962 23904 26616 26892 29943 35488 35856 39924 53232 53784 59886 71712 79848 89829 92047 106464 107568 119772 159696 179658 184094 215136 239544 276141 319392 359316 368188 479088 552282 718632 736376 828423 958176 1104564 1437264 1472752 1656846 2209128 2485269 2874528 2945504 3313692 4418256 4970538 6627384 7455807 8836512 9941076 13254768 14911614 19882152 26509536 29823228 39764304 59646456 79528608 119292912 238585824