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51803 is a prime number
BaseRepresentation
bin1100101001011011
32122001122
430221123
53124203
61035455
7304013
oct145133
978048
1051803
1135a14
1225b8b
131a76b
1414c43
1510538
hexca5b

51803 has 2 divisors, whose sum is σ = 51804. Its totient is φ = 51802.

The previous prime is 51797. The next prime is 51817. The reversal of 51803 is 30815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51803 - 24 = 51787 is a prime.

It is not a weakly prime, because it can be changed into another prime (51853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25901 + 25902.

It is an arithmetic number, because the mean of its divisors is an integer number (25902).

251803 is an apocalyptic number.

51803 is a deficient number, since it is larger than the sum of its proper divisors (1).

51803 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 15 representation: 51803 = (10538)15.

51803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51803 is about 227.6027240610. The cubic root of 51803 is about 37.2779170031.

The spelling of 51803 in words is "fifty-one thousand, eight hundred three".