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51066795 = 3513261881
BaseRepresentation
bin1100001011001…
…1011110101011
310120002110110210
43002303132223
5101033114140
65022312203
71160026533
oct302633653
9116073423
1051066795
112690a26a
1215128663
13a76cb50
146ad44c3
15473ad80
hex30b37ab

51066795 has 16 divisors (see below), whose sum is σ = 87992352. Its totient is φ = 25140480.

The previous prime is 51066791. The next prime is 51066809. The reversal of 51066795 is 59766015.

It is not a de Polignac number, because 51066795 - 22 = 51066791 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (51066791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130746 + ... + 131135.

It is an arithmetic number, because the mean of its divisors is an integer number (5499522).

Almost surely, 251066795 is an apocalyptic number.

51066795 is a deficient number, since it is larger than the sum of its proper divisors (36925557).

51066795 is a wasteful number, since it uses less digits than its factorization.

51066795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261902.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 51066795 is about 7146.1034837175. The cubic root of 51066795 is about 371.0048047077.

The spelling of 51066795 in words is "fifty-one million, sixty-six thousand, seven hundred ninety-five".

Divisors: 1 3 5 13 15 39 65 195 261881 785643 1309405 3404453 3928215 10213359 17022265 51066795