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51062018 = 272521041
BaseRepresentation
bin1100001011001…
…0010100000010
310120002012220212
43002302110002
5101032441033
65022234122
71160006600
oct302622402
9116065825
1051062018
1126906717
1215125942
13a76a917
146ad2870
154739748
hex30b2502

51062018 has 12 divisors (see below), whose sum is σ = 89098182. Its totient is φ = 21883680.

The previous prime is 51062017. The next prime is 51062021. The reversal of 51062018 is 81026015.

It can be written as a sum of positive squares in only one way, i.e., 50879689 + 182329 = 7133^2 + 427^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51061984 and 51062002.

It is not an unprimeable number, because it can be changed into a prime (51062017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260423 + ... + 260618.

Almost surely, 251062018 is an apocalyptic number.

51062018 is a deficient number, since it is larger than the sum of its proper divisors (38036164).

51062018 is a wasteful number, since it uses less digits than its factorization.

51062018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521057 (or 521050 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 51062018 is about 7145.7692378078. The cubic root of 51062018 is about 370.9932359037.

The spelling of 51062018 in words is "fifty-one million, sixty-two thousand, eighteen".

Divisors: 1 2 7 14 49 98 521041 1042082 3647287 7294574 25531009 51062018