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BaseRepresentation
bin100000011001
32211210
4200121
531243
613333
76021
oct4031
92753
102073
111615
121249
13c36
14a81
15933
hex819

2073 has 4 divisors (see below), whose sum is σ = 2768. Its totient is φ = 1380.

The previous prime is 2069. The next prime is 2081. The reversal of 2073 is 3702.

Adding to 2073 its reverse (3702), we get a palindrome (5775).

It can be divided in two parts, 207 and 3, that added together give a triangular number (210 = T20).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2073 - 22 = 2069 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 6 and base 12.

It is a nialpdrome in base 14 and base 15.

It is not an unprimeable number, because it can be changed into a prime (2003) 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, 343 + ... + 348.

It is an arithmetic number, because the mean of its divisors is an integer number (692).

22073 is an apocalyptic number.

It is an amenable number.

2073 is a deficient number, since it is larger than the sum of its proper divisors (695).

2073 is an equidigital number, since it uses as much as digits as its factorization.

2073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 2073 is about 45.5302097513. The cubic root of 2073 is about 12.7506727826.

The spelling of 2073 in words is "two thousand, seventy-three", and thus it is an iban number.

Divisors: 1 3 691 2073