Search a number
-
+
240433340 = 22577921739
BaseRepresentation
bin11100101010010…
…11100010111100
3121202102021112112
432111023202330
5443022331330
635505153152
75646435560
oct1625134274
9552367475
10240433340
1111379a144
126862b7b8
133aa73164
1423d096a0
1516194795
hexe54b8bc

240433340 has 48 divisors (see below), whose sum is σ = 584371200. Its totient is φ = 81387072.

The previous prime is 240433309. The next prime is 240433343. The reversal of 240433340 is 43334042.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240433343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191 + ... + 21929.

It is an arithmetic number, because the mean of its divisors is an integer number (12174400).

Almost surely, 2240433340 is an apocalyptic number.

240433340 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 240433340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292185600).

240433340 is an abundant number, since it is smaller than the sum of its proper divisors (343937860).

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

240433340 is a wasteful number, since it uses less digits than its factorization.

240433340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21834 (or 21832 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 240433340 is about 15505.9130656663. The cubic root of 240433340 is about 621.8203007872.

Adding to 240433340 its reverse (43334042), we get a palindrome (283767382).

The spelling of 240433340 in words is "two hundred forty million, four hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 79 140 158 316 395 553 790 1106 1580 2212 2765 5530 11060 21739 43478 86956 108695 152173 217390 304346 434780 608692 760865 1521730 1717381 3043460 3434762 6869524 8586905 12021667 17173810 24043334 34347620 48086668 60108335 120216670 240433340