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51892 = 2212973
BaseRepresentation
bin1100101010110100
32122011221
430222310
53130032
61040124
7304201
oct145264
978157
1051892
1135a95
1226044
131a809
1414ca8
1510597
hexcab4

51892 has 6 divisors (see below), whose sum is σ = 90818. Its totient is φ = 25944.

The previous prime is 51871. The next prime is 51893. The reversal of 51892 is 29815.

51892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27556 + 24336 = 166^2 + 156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6483 + ... + 6490.

251892 is an apocalyptic number.

It is an amenable number.

51892 is a deficient number, since it is larger than the sum of its proper divisors (38926).

51892 is a wasteful number, since it uses less digits than its factorization.

51892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977 (or 12975 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 51892 is about 227.7981562700. The cubic root of 51892 is about 37.2992531961.

The spelling of 51892 in words is "fifty-one thousand, eight hundred ninety-two".

Divisors: 1 2 4 12973 25946 51892