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51066130 = 25172811069
BaseRepresentation
bin1100001011001…
…1010100010010
310120002102120011
43002303110102
5101033104010
65022305134
71160024563
oct302632422
9116072504
1051066130
1126909815
12151281aa
13a76c75b
146ad416a
15473aa8a
hex30b3512

51066130 has 32 divisors (see below), whose sum is σ = 97763760. Its totient is φ = 19138560.

The previous prime is 51066121. The next prime is 51066131. The reversal of 51066130 is 3166015.

It can be written as a sum of positive squares in 8 ways, for example, as 33097009 + 17969121 = 5753^2 + 4239^2 .

It is not an unprimeable number, because it can be changed into a prime (51066131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47236 + ... + 48304.

Almost surely, 251066130 is an apocalyptic number.

51066130 is a deficient number, since it is larger than the sum of its proper divisors (46697630).

51066130 is a wasteful number, since it uses less digits than its factorization.

51066130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 51066130 is about 7146.0569547129. The cubic root of 51066130 is about 371.0031942726.

It can be divided in two parts, 5106 and 6130, that added together give a square (11236 = 1062).

The spelling of 51066130 in words is "fifty-one million, sixty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 281 562 1069 1405 2138 2810 4777 5345 9554 10690 18173 23885 36346 47770 90865 181730 300389 600778 1501945 3003890 5106613 10213226 25533065 51066130