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51066107 = 163313289
BaseRepresentation
bin1100001011001…
…1010011111011
310120002102112022
43002303103323
5101033103412
65022305055
71160024531
oct302632373
9116072468
1051066107
11269097a4
121512818b
13a76c741
146ad4151
15473aa72
hex30b34fb

51066107 has 4 divisors (see below), whose sum is σ = 51379560. Its totient is φ = 50752656.

The previous prime is 51066101. The next prime is 51066109. The reversal of 51066107 is 70166015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70166015 = 514033203.

It is a cyclic number.

It is not a de Polignac number, because 51066107 - 28 = 51065851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51066101) 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, 156482 + ... + 156807.

It is an arithmetic number, because the mean of its divisors is an integer number (12844890).

Almost surely, 251066107 is an apocalyptic number.

51066107 is a deficient number, since it is larger than the sum of its proper divisors (313453).

51066107 is a wasteful number, since it uses less digits than its factorization.

51066107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313452.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51066107 is about 7146.0553454336. The cubic root of 51066107 is about 371.0031385731.

The spelling of 51066107 in words is "fifty-one million, sixty-six thousand, one hundred seven".

Divisors: 1 163 313289 51066107