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51676168 = 239766593
BaseRepresentation
bin1100010100100…
…0010000001000
310121020102101011
43011020100020
5101212114133
65043333304
71165145245
oct305102010
9117212334
1051676168
1127196085
1215381234
13a92431b
146c125cc
15480b6cd
hex3148408

51676168 has 16 divisors (see below), whose sum is σ = 97893180. Its totient is φ = 25571328.

The previous prime is 51676151. The next prime is 51676187. The reversal of 51676168 is 86167615.

It can be written as a sum of positive squares in 2 ways, for example, as 51294244 + 381924 = 7162^2 + 618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51676168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32521 + ... + 34072.

Almost surely, 251676168 is an apocalyptic number.

It is an amenable number.

51676168 is a deficient number, since it is larger than the sum of its proper divisors (46217012).

51676168 is a wasteful number, since it uses less digits than its factorization.

51676168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66696 (or 66692 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 51676168 is about 7188.6137745743. The cubic root of 51676168 is about 372.4746898107.

The spelling of 51676168 in words is "fifty-one million, six hundred seventy-six thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 97 194 388 776 66593 133186 266372 532744 6459521 12919042 25838084 51676168