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51147 = 325683
BaseRepresentation
bin1100011111001011
32121011100
430133023
53114042
61032443
7302055
oct143713
977140
1051147
1135478
1225723
131a385
14148d5
151024c
hexc7cb

51147 has 6 divisors (see below), whose sum is σ = 73892. Its totient is φ = 34092.

The previous prime is 51137. The next prime is 51151. The reversal of 51147 is 74115.

It is not a de Polignac number, because 51147 - 24 = 51131 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51147.

It is not an unprimeable number, because it can be changed into a prime (51137) 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, 2833 + ... + 2850.

251147 is an apocalyptic number.

51147 is a deficient number, since it is larger than the sum of its proper divisors (22745).

51147 is a wasteful number, since it uses less digits than its factorization.

51147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5686 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 51147 is about 226.1570250954. The cubic root of 51147 is about 37.1198935261.

The spelling of 51147 in words is "fifty-one thousand, one hundred forty-seven".

Divisors: 1 3 9 5683 17049 51147