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50668820 = 22519472837
BaseRepresentation
bin1100000101001…
…0010100010100
310112100020112222
43001102110110
5100432400240
65010001512
71153451336
oct301222424
9115306488
1050668820
1126668264
1214b76298
13a660967
146a2d456
1546aceb5
hex3052514

50668820 has 48 divisors (see below), whose sum is σ = 114428160. Its totient is φ = 18785664.

The previous prime is 50668819. The next prime is 50668831. The reversal of 50668820 is 2886605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16442 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (2383920).

Almost surely, 250668820 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 50668820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57214080).

50668820 is an abundant number, since it is smaller than the sum of its proper divisors (63759340).

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

50668820 is a wasteful number, since it uses less digits than its factorization.

50668820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 50668820 is about 7118.2034250224. The cubic root of 50668820 is about 370.0385155912.

The spelling of 50668820 in words is "fifty million, six hundred sixty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 47 76 94 95 188 190 235 380 470 893 940 1786 2837 3572 4465 5674 8930 11348 14185 17860 28370 53903 56740 107806 133339 215612 266678 269515 533356 539030 666695 1078060 1333390 2533441 2666780 5066882 10133764 12667205 25334410 50668820