Search a number
-
+
540345454240 = 25517634331319
BaseRepresentation
bin1111101110011110001…
…10010100111010100000
31220122201121022010212111
413313033012110322200
532323111414013430
61052121542205104
754016156402354
oct7671706247240
91818647263774
10540345454240
11199182a16409
1288880723794
133bc53954417
141c21d637464
15e0c7b06c2a
hex7dcf194ea0

540345454240 has 96 divisors (see below), whose sum is σ = 1351914520320. Its totient is φ = 203385606144.

The previous prime is 540345454193. The next prime is 540345454241. The reversal of 540345454240 is 42454543045.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 540345454193 and 540345454202.

It is not an unprimeable number, because it can be changed into a prime (540345454241) 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, 17237301 + ... + 17268619.

It is an arithmetic number, because the mean of its divisors is an integer number (14082442920).

Almost surely, 2540345454240 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 540345454240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675957260160).

540345454240 is an abundant number, since it is smaller than the sum of its proper divisors (811569066080).

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

540345454240 is a wasteful number, since it uses less digits than its factorization.

540345454240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37694 (or 37686 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 540345454240 its reverse (42454543045), we get a palindrome (582799997285).

The spelling of 540345454240 in words is "five hundred forty billion, three hundred forty-five million, four hundred fifty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 6343 12686 25372 31319 31715 50744 62638 63430 101488 107831 125276 126860 156595 202976 215662 250552 253720 313190 431324 501104 507440 532423 539155 626380 862648 1002208 1014880 1064846 1078310 1252760 1725296 2129692 2156620 2505520 2662115 3450592 4259384 4313240 5011040 5324230 8518768 8626480 10648460 17037536 17252960 21296920 42593840 85187680 198656417 397312834 794625668 993282085 1589251336 1986564170 3178502672 3377159089 3973128340 6357005344 6754318178 7946256680 13508636356 15892513360 16885795445 27017272712 31785026720 33771590890 54034545424 67543181780 108069090848 135086363560 270172727120 540345454240