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51088 = 2431103
BaseRepresentation
bin1100011110010000
32121002011
430132100
53113323
61032304
7301642
oct143620
977064
1051088
1135424
1225694
131a33b
1414892
151020d
hexc790

51088 has 20 divisors (see below), whose sum is σ = 103168. Its totient is φ = 24480.

The previous prime is 51071. The next prime is 51109. The reversal of 51088 is 88015.

51088 is an admirable number.

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, 445 + ... + 547.

251088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51584).

51088 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51088 is a wasteful number, since it uses less digits than its factorization.

51088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 51088 is about 226.0265471134. The cubic root of 51088 is about 37.1056149671.

The spelling of 51088 in words is "fifty-one thousand, eighty-eight".

Divisors: 1 2 4 8 16 31 62 103 124 206 248 412 496 824 1648 3193 6386 12772 25544 51088