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51066546 = 238511091
BaseRepresentation
bin1100001011001…
…1011010110010
310120002110010120
43002303122302
5101033112141
65022311110
71160026026
oct302633262
9116073116
1051066546
112690a063
1215128496
13a76c9bb
146ad4386
15473ac66
hex30b36b2

51066546 has 8 divisors (see below), whose sum is σ = 102133104. Its totient is φ = 17022180.

The previous prime is 51066541. The next prime is 51066553. The reversal of 51066546 is 64566015.

51066546 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.

51066546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51066541) 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, 4255540 + ... + 4255551.

It is an arithmetic number, because the mean of its divisors is an integer number (12766638).

Almost surely, 251066546 is an apocalyptic number.

51066546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51066546 is a wasteful number, since it uses less digits than its factorization.

51066546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511096.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 51066546 is about 7146.0860616144. The cubic root of 51066546 is about 371.0042017043.

The spelling of 51066546 in words is "fifty-one million, sixty-six thousand, five hundred forty-six".

Divisors: 1 2 3 6 8511091 17022182 25533273 51066546