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516680000 = 265412917
BaseRepresentation
bin11110110010111…
…110100101000000
31100000020001201022
4132302332211000
52024232230000
6123134125012
715542464454
oct3662764500
91300201638
10516680000
1124571a371
12125050768
1383075315
144c898664
1530560585
hex1ecbe940

516680000 has 70 divisors (see below), whose sum is σ = 1281297666. Its totient is φ = 206656000.

The previous prime is 516679967. The next prime is 516680083. The reversal of 516680000 is 86615.

It can be written as a sum of positive squares in 5 ways, for example, as 190660864 + 326019136 = 13808^2 + 18056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33542 + ... + 46458.

Almost surely, 2516680000 is an apocalyptic number.

516680000 is a gapful number since it is divisible by the number (50) 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 516680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640648833).

516680000 is an abundant number, since it is smaller than the sum of its proper divisors (764617666).

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

516680000 is an equidigital number, since it uses as much as digits as its factorization.

516680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12949 (or 12924 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 516680000 is about 22730.5961206476. The cubic root of 516680000 is about 802.4301107279.

The spelling of 516680000 in words is "five hundred sixteen million, six hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 4000 5000 8000 10000 12917 20000 25834 40000 51668 64585 103336 129170 206672 258340 322925 413344 516680 645850 826688 1033360 1291700 1614625 2066720 2583400 3229250 4133440 5166800 6458500 8073125 10333600 12917000 16146250 20667200 25834000 32292500 51668000 64585000 103336000 129170000 258340000 516680000