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516234240 = 21032517659
BaseRepresentation
bin11110110001010…
…001110000000000
31022222101102020200
4132301101300000
52024123443430
6123120405200
715535630044
oct3661216000
91288342220
10516234240
11245445475
12124a76800
1382c4a462
144c7c0024
15304c3460
hex1ec51c00

516234240 has 264 divisors, whose sum is σ = 1896832080. Its totient is φ = 129368064.

The previous prime is 516234217. The next prime is 516234259. The reversal of 516234240 is 42432615.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 783031 + ... + 783689.

It is an arithmetic number, because the mean of its divisors is an integer number (7184970).

Almost surely, 2516234240 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 516234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948416040).

516234240 is an abundant number, since it is smaller than the sum of its proper divisors (1380597840).

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

516234240 is a wasteful number, since it uses less digits than its factorization.

516234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 516234240 is about 22720.7887187043. The cubic root of 516234240 is about 802.1992817427.

Adding to 516234240 its reverse (42432615), we get a palindrome (558666855).

The spelling of 516234240 in words is "five hundred sixteen million, two hundred thirty-four thousand, two hundred forty".