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51882668 = 2212970667
BaseRepresentation
bin1100010111101…
…0101010101100
310121121220122022
43011322222230
5101240221133
65052005312
71166665265
oct305725254
9117556568
1051882668
1127317242
1215460838
13a997306
146c6796c
15484c998
hex317aaac

51882668 has 6 divisors (see below), whose sum is σ = 90794676. Its totient is φ = 25941332.

The previous prime is 51882661. The next prime is 51882751. The reversal of 51882668 is 86628815.

It is a super-2 number, since 2×518826682 = 5383622477596448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51882661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485330 + ... + 6485337.

It is an arithmetic number, because the mean of its divisors is an integer number (15132446).

Almost surely, 251882668 is an apocalyptic number.

It is an amenable number.

51882668 is a deficient number, since it is larger than the sum of its proper divisors (38912008).

51882668 is a wasteful number, since it uses less digits than its factorization.

51882668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12970671 (or 12970669 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 51882668 is about 7202.9624461051. The cubic root of 51882668 is about 372.9701715780.

The spelling of 51882668 in words is "fifty-one million, eight hundred eighty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 12970667 25941334 51882668