1473 has 4 divisors (see below), whose sum is σ = 1968. Its totient is φ = 980.

The previous prime is 1471. The next prime is 1481. The reversal of 1473 is 3741.

It can be divided in two parts, 147 and 3, that multiplied together give a square (441 = 21^{2}).

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 a cyclic number.

It is not a de Polignac number, because 1473 - 2^{1} = 1471 is a prime.

It is a D-number.

1473 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243 + ... + 248.

It is an arithmetic number, because the mean of its divisors is an integer number (492).

It is a Proth number, since it is equal to 23 ⋅ 2^{6} + 1 and 23 < 2^{6}.

It is an amenable number.

1473 is a deficient number, since it is larger than the sum of its proper divisors (495).

1473 is an equidigital number, since it uses as much as digits as its factorization.

1473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its digits is 84, while the sum is 15.

The square root of 1473 is about 38.3796821248. The cubic root of 1473 is about 11.3780433028.

The spelling of 1473 in words is "one thousand, four hundred seventy-three", and thus it is an iban number.

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.042 sec. • engine limits •