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51368833 = 671276037
BaseRepresentation
bin1100001111110…
…1001110000001
310120122210210101
43003331032001
5101122300313
65033002401
71162425235
oct303751601
9116583711
1051368833
1126aa618a
1215253401
13a847479
146b725c5
15479a5dd
hex30fd381

51368833 has 8 divisors (see below), whose sum is σ = 52554752. Its totient is φ = 50195376.

The previous prime is 51368797. The next prime is 51368843. The reversal of 51368833 is 33886315.

51368833 = T317 + T318 + ... + T697.

51368833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51368833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51368792 and 51368801.

It is not an unprimeable number, because it can be changed into a prime (51368843) 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 7 ways as a sum of consecutive naturals, for example, 5491 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (6569344).

Almost surely, 251368833 is an apocalyptic number.

It is an amenable number.

51368833 is a deficient number, since it is larger than the sum of its proper divisors (1185919).

51368833 is a wasteful number, since it uses less digits than its factorization.

51368833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231.

The product of its digits is 51840, while the sum is 37.

The square root of 51368833 is about 7167.2053828532. The cubic root of 51368833 is about 371.7348116741.

The spelling of 51368833 in words is "fifty-one million, three hundred sixty-eight thousand, eight hundred thirty-three".

Divisors: 1 67 127 6037 8509 404479 766699 51368833