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51968046 = 23134631439
BaseRepresentation
bin1100011000111…
…1100000101110
310121210020202110
43012033200232
5101300434141
65053504450
71200502224
oct306174056
9117706673
1051968046
11273753a9
12154a2126
13a9c7130
146c8ab14
154867e16
hex318f82e

51968046 has 32 divisors (see below), whose sum is σ = 112250880. Its totient is φ = 15944544.

The previous prime is 51968027. The next prime is 51968051. The reversal of 51968046 is 64086915.

51968046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51967995 and 51968013.

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 15 ways as a sum of consecutive naturals, for example, 35395 + ... + 36833.

It is an arithmetic number, because the mean of its divisors is an integer number (3507840).

Almost surely, 251968046 is an apocalyptic number.

51968046 is an abundant number, since it is smaller than the sum of its proper divisors (60282834).

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

51968046 is a wasteful number, since it uses less digits than its factorization.

51968046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 51968046 is about 7208.8865991913. The cubic root of 51968046 is about 373.1746457458.

The spelling of 51968046 in words is "fifty-one million, nine hundred sixty-eight thousand, forty-six".

Divisors: 1 2 3 6 13 26 39 78 463 926 1389 1439 2778 2878 4317 6019 8634 12038 18057 18707 36114 37414 56121 112242 666257 1332514 1998771 3997542 8661341 17322682 25984023 51968046