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51303196 = 227361613
BaseRepresentation
bin1100001110110…
…1001100011100
310120112110202101
43003231030130
5101113200241
65031334444
71162033000
oct303551434
9116473671
1051303196
1126a6093a
1215221424
13a823629
146b56700
154785e31
hex30ed31c

51303196 has 48 divisors (see below), whose sum is σ = 106590400. Its totient is φ = 21591360.

The previous prime is 51303191. The next prime is 51303199. The reversal of 51303196 is 69130315.

51303196 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 (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51303191) 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 15 ways as a sum of consecutive naturals, for example, 83386 + ... + 83998.

Almost surely, 251303196 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 51303196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53295200).

51303196 is an abundant number, since it is smaller than the sum of its proper divisors (55287204).

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

51303196 is a wasteful number, since it uses less digits than its factorization.

51303196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 51303196 is about 7162.6249378283. The cubic root of 51303196 is about 371.5764149963.

The spelling of 51303196 in words is "fifty-one million, three hundred three thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 28 49 61 98 122 196 244 343 427 613 686 854 1226 1372 1708 2452 2989 4291 5978 8582 11956 17164 20923 30037 37393 41846 60074 74786 83692 120148 149572 210259 261751 420518 523502 841036 1047004 1832257 3664514 7329028 12825799 25651598 51303196