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51174200 = 23527113323
BaseRepresentation
bin1100001100110…
…1101100111000
310120021220210202
43003031230320
5101100033300
65024501332
71160654630
oct303155470
9116256722
1051174200
1126982a30
121517a848
13a7a99bc
146b216c0
15475cad5
hex30cdb38

51174200 has 96 divisors (see below), whose sum is σ = 148383360. Its totient is φ = 15945600.

The previous prime is 51174187. The next prime is 51174209. The reversal of 51174200 is 247115.

51174200 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 (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174209) by changing a digit.

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, 13739 + ... + 17061.

It is an arithmetic number, because the mean of its divisors is an integer number (1545660).

Almost surely, 251174200 is an apocalyptic number.

51174200 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 51174200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74191680).

51174200 is an abundant number, since it is smaller than the sum of its proper divisors (97209160).

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

51174200 is a wasteful number, since it uses less digits than its factorization.

51174200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51174200 is about 7153.6144710209. The cubic root of 51174200 is about 371.2647248597.

The spelling of 51174200 in words is "fifty-one million, one hundred seventy-four thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 140 154 175 200 220 275 280 308 350 385 440 550 616 700 770 1100 1400 1540 1925 2200 3080 3323 3850 6646 7700 13292 15400 16615 23261 26584 33230 36553 46522 66460 73106 83075 93044 116305 132920 146212 166150 182765 186088 232610 255871 292424 332300 365530 465220 511742 581525 664600 731060 913825 930440 1023484 1163050 1279355 1462120 1827650 2046968 2326100 2558710 3655300 4652200 5117420 6396775 7310600 10234840 12793550 25587100 51174200