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51106214 = 225553107
BaseRepresentation
bin1100001011110…
…1000110100110
310120011110112202
43002331012212
5101040344324
65023214502
71160252465
oct302750646
9116143482
1051106214
1126936945
1215147432
13a784a83
146b049dc
1547478ae
hex30bd1a6

51106214 has 4 divisors (see below), whose sum is σ = 76659324. Its totient is φ = 25553106.

The previous prime is 51106183. The next prime is 51106217. The reversal of 51106214 is 41260115.

51106214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×511062142 = 5223690218827592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106217) 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 as a sum of consecutive naturals, namely, 12776552 + ... + 12776555.

It is an arithmetic number, because the mean of its divisors is an integer number (19164831).

Almost surely, 251106214 is an apocalyptic number.

51106214 is a deficient number, since it is larger than the sum of its proper divisors (25553110).

51106214 is a wasteful number, since it uses less digits than its factorization.

51106214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25553109.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51106214 is about 7148.8610281639. The cubic root of 51106214 is about 371.1002410020.

Adding to 51106214 its reverse (41260115), we get a palindrome (92366329).

The spelling of 51106214 in words is "fifty-one million, one hundred six thousand, two hundred fourteen".

Divisors: 1 2 25553107 51106214