Search a number
-
+
514330240 = 27517411153
BaseRepresentation
bin11110101010000…
…000111010000000
31022211210200110011
4132222000322000
52023132031430
6123011514304
715513510034
oct3652007200
91284720404
10514330240
11244364a16
121242b8994
1382731928
144c4461c4
153024922a
hex1ea80e80

514330240 has 128 divisors (see below), whose sum is σ = 1334808720. Its totient is φ = 188743680.

The previous prime is 514330231. The next prime is 514330241. The reversal of 514330240 is 42033415.

It can be written as a sum of positive squares in 8 ways, for example, as 231283264 + 283046976 = 15208^2 + 16824^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (514330241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 445504 + ... + 446656.

Almost surely, 2514330240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667404360).

514330240 is an abundant number, since it is smaller than the sum of its proper divisors (820478480).

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

514330240 is a wasteful number, since it uses less digits than its factorization.

514330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 514330240 is about 22678.8500590308. The cubic root of 514330240 is about 801.2118300746.

Adding to 514330240 its reverse (42033415), we get a palindrome (556363655).

The spelling of 514330240 in words is "five hundred fourteen million, three hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 41 64 68 80 82 85 128 136 160 164 170 205 272 320 328 340 410 544 640 656 680 697 820 1088 1153 1312 1360 1394 1640 2176 2306 2624 2720 2788 3280 3485 4612 5248 5440 5576 5765 6560 6970 9224 10880 11152 11530 13120 13940 18448 19601 22304 23060 26240 27880 36896 39202 44608 46120 47273 55760 73792 78404 89216 92240 94546 98005 111520 147584 156808 184480 189092 196010 223040 236365 313616 368960 378184 392020 446080 472730 627232 737920 756368 784040 803641 945460 1254464 1512736 1568080 1607282 1890920 2508928 3025472 3136160 3214564 3781840 4018205 6050944 6272320 6429128 7563680 8036410 12544640 12858256 15127360 16072820 25716512 30254720 32145640 51433024 64291280 102866048 128582560 257165120 514330240