Search a number
-
+
530444323240 = 235132935175353
BaseRepresentation
bin1111011100000001111…
…00100000100110101000
31212201011120120120111221
413232000330200212220
532142322221320430
61043403250431424
753215622232256
oct7560074404650
91781146516457
10530444323240
11194a61aa0117
1286978892574
133b0365a2a20
141b96068d5d6
15dbe877857a
hex7b80f209a8

530444323240 has 64 divisors (see below), whose sum is σ = 1329628381200. Its totient is φ = 189102692352.

The previous prime is 530444323181. The next prime is 530444323243. The reversal of 530444323240 is 42323444035.

It can be written as a sum of positive squares in 8 ways, for example, as 201631533156 + 328812790084 = 449034^2 + 573422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 530444323196 and 530444323205.

It is not an unprimeable number, because it can be changed into a prime (530444323243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17572597 + ... + 17602756.

Almost surely, 2530444323240 is an apocalyptic number.

It is an amenable number.

530444323240 is an abundant number, since it is smaller than the sum of its proper divisors (799184057960).

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

530444323240 is a wasteful number, since it uses less digits than its factorization.

530444323240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35175406 (or 35175402 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 530444323240 its reverse (42323444035), we get a palindrome (572767767275).

The spelling of 530444323240 in words is "five hundred thirty billion, four hundred forty-four million, three hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 29 40 52 58 65 104 116 130 145 232 260 290 377 520 580 754 1160 1508 1885 3016 3770 7540 15080 35175353 70350706 140701412 175876765 281402824 351753530 457279589 703507060 914559178 1020085237 1407014120 1829118356 2040170474 2286397945 3658236712 4080340948 4572795890 5100426185 8160681896 9145591780 10200852370 13261108081 18291183560 20401704740 26522216162 40803409480 53044432324 66305540405 106088864648 132611080810 265222161620 530444323240