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51106712 = 236388339
BaseRepresentation
bin1100001011110…
…1001110011000
310120011111020012
43002331032120
5101040403322
65023221052
71160254106
oct302751630
9116144205
1051106712
1126937258
1215147788
13a785077
146b04c76
154747ae2
hex30bd398

51106712 has 8 divisors (see below), whose sum is σ = 95825100. Its totient is φ = 25553352.

The previous prime is 51106711. The next prime is 51106733. The reversal of 51106712 is 21760115.

51106712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×511067122 = 5223792022901888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106711) 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, 3194162 + ... + 3194177.

Almost surely, 251106712 is an apocalyptic number.

It is an amenable number.

51106712 is a deficient number, since it is larger than the sum of its proper divisors (44718388).

51106712 is a wasteful number, since it uses less digits than its factorization.

51106712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388345 (or 6388341 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 51106712 is about 7148.8958588023. The cubic root of 51106712 is about 371.1014463826.

Adding to 51106712 its reverse (21760115), we get a palindrome (72866827).

The spelling of 51106712 in words is "fifty-one million, one hundred six thousand, seven hundred twelve".

Divisors: 1 2 4 8 6388339 12776678 25553356 51106712