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51167 = 192693
BaseRepresentation
bin1100011111011111
32121012002
430133133
53114132
61032515
7302114
oct143737
977162
1051167
1135496
122573b
131a39c
141490b
1510262
hexc7df

51167 has 4 divisors (see below), whose sum is σ = 53880. Its totient is φ = 48456.

The previous prime is 51157. The next prime is 51169. The reversal of 51167 is 76115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51167 - 24 = 51151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (13470).

251167 is an apocalyptic number.

51167 is a deficient number, since it is larger than the sum of its proper divisors (2713).

51167 is a wasteful number, since it uses less digits than its factorization.

51167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 210, while the sum is 20.

The square root of 51167 is about 226.2012378392. The cubic root of 51167 is about 37.1247312235.

The spelling of 51167 in words is "fifty-one thousand, one hundred sixty-seven".

Divisors: 1 19 2693 51167