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51353200 = 24521929233
BaseRepresentation
bin1100001111100…
…1011001110000
310120122000100101
43003321121300
5101121300300
65032402144
71162331533
oct303713160
9116560311
1051353200
1126a95468
1215246354
13a840312
146b6aa1a
154795b6a
hex30f9670

51353200 has 120 divisors (see below), whose sum is σ = 134924400. Its totient is φ = 18708480.

The previous prime is 51353191. The next prime is 51353249. The reversal of 51353200 is 235315.

51353200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220284 + ... + 220516.

It is an arithmetic number, because the mean of its divisors is an integer number (1124370).

Almost surely, 251353200 is an apocalyptic number.

51353200 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 51353200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67462200).

51353200 is an abundant number, since it is smaller than the sum of its proper divisors (83571200).

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

51353200 is a wasteful number, since it uses less digits than its factorization.

51353200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 51353200 is about 7166.1147074269. The cubic root of 51353200 is about 371.6970980152.

Adding to 51353200 its reverse (235315), we get a palindrome (51588515).

The spelling of 51353200 in words is "fifty-one million, three hundred fifty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 29 38 40 50 58 76 80 95 100 116 145 152 190 200 232 233 290 304 380 400 464 466 475 551 580 725 760 932 950 1102 1160 1165 1450 1520 1864 1900 2204 2320 2330 2755 2900 3728 3800 4408 4427 4660 5510 5800 5825 6757 7600 8816 8854 9320 11020 11600 11650 13514 13775 17708 18640 22040 22135 23300 27028 27550 33785 35416 44080 44270 46600 54056 55100 67570 70832 88540 93200 108112 110200 110675 128383 135140 168925 177080 220400 221350 256766 270280 337850 354160 442700 513532 540560 641915 675700 885400 1027064 1283830 1351400 1770800 2054128 2567660 2702800 3209575 5135320 6419150 10270640 12838300 25676600 51353200