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51354200 = 2352256771
BaseRepresentation
bin1100001111100…
…1101001011000
310120122001201102
43003321221120
5101121313300
65032410532
71162334462
oct303715130
9116561642
1051354200
1126a96197
1215246a48
13a840901
146b6b132
1547960d5
hex30f9a58

51354200 has 24 divisors (see below), whose sum is σ = 119398980. Its totient is φ = 20541600.

The previous prime is 51354179. The next prime is 51354203. The reversal of 51354200 is 245315.

51354200 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 (51354203) 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 5 ways as a sum of consecutive naturals, for example, 128186 + ... + 128585.

Almost surely, 251354200 is an apocalyptic number.

51354200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51354200 is an abundant number, since it is smaller than the sum of its proper divisors (68044780).

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

51354200 is a wasteful number, since it uses less digits than its factorization.

51354200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256787 (or 256778 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 51354200 is about 7166.1844799028. The cubic root of 51354200 is about 371.6995106834.

Adding to 51354200 its reverse (245315), we get a palindrome (51599515).

The spelling of 51354200 in words is "fifty-one million, three hundred fifty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 256771 513542 1027084 1283855 2054168 2567710 5135420 6419275 10270840 12838550 25677100 51354200