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51349846 = 2231116301
BaseRepresentation
bin1100001111100…
…0100101010110
310120121211202011
43003320211112
5101121143341
65032334434
71162316002
oct303704526
9116554664
1051349846
1126a92999
121524441a
13a83b932
146b69702
154794b81
hex30f8956

51349846 has 8 divisors (see below), whose sum is σ = 80373744. Its totient is φ = 24558600.

The previous prime is 51349829. The next prime is 51349847. The reversal of 51349846 is 64894315.

51349846 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 junction number, because it is equal to n+sod(n) for n = 51349799 and 51349808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51349847) 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 3 ways as a sum of consecutive naturals, for example, 558105 + ... + 558196.

It is an arithmetic number, because the mean of its divisors is an integer number (10046718).

Almost surely, 251349846 is an apocalyptic number.

51349846 is a deficient number, since it is larger than the sum of its proper divisors (29023898).

51349846 is a wasteful number, since it uses less digits than its factorization.

51349846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116326.

The product of its digits is 103680, while the sum is 40.

The square root of 51349846 is about 7165.8806855822. The cubic root of 51349846 is about 371.6890056977.

The spelling of 51349846 in words is "fifty-one million, three hundred forty-nine thousand, eight hundred forty-six".

Divisors: 1 2 23 46 1116301 2232602 25674923 51349846