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51467072 = 267971009
BaseRepresentation
bin1100010001010…
…1001101000000
310120211210112212
43010111031000
5101133421242
65035041252
71163314526
oct304251500
9116753485
1051467072
1127062a78
12152a0228
13a8800b7
146b9a316
1547b9782
hex3115340

51467072 has 28 divisors (see below), whose sum is σ = 102359460. Its totient is φ = 25675776.

The previous prime is 51467071. The next prime is 51467089. The reversal of 51467072 is 27076415.

It can be written as a sum of positive squares in 2 ways, for example, as 20286016 + 31181056 = 4504^2 + 5584^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51467071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50504 + ... + 51512.

It is an arithmetic number, because the mean of its divisors is an integer number (3655695).

Almost surely, 251467072 is an apocalyptic number.

It is an amenable number.

51467072 is a deficient number, since it is larger than the sum of its proper divisors (50892388).

51467072 is a wasteful number, since it uses less digits than its factorization.

51467072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 51467072 is about 7174.0554779009. The cubic root of 51467072 is about 371.9716323225.

The spelling of 51467072 in words is "fifty-one million, four hundred sixty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 797 1009 1594 2018 3188 4036 6376 8072 12752 16144 25504 32288 51008 64576 804173 1608346 3216692 6433384 12866768 25733536 51467072