Search a number
-
+
1020473 = 3313083
BaseRepresentation
bin11111001001000111001
31220211211022
43321020321
5230123343
633512225
711450066
oct3711071
91824738
101020473
11637773
12412675
1329963c
141c7c6d
15152568
hexf9239

1020473 has 4 divisors (see below), whose sum is σ = 1023888. Its totient is φ = 1017060.

The previous prime is 1020457. The next prime is 1020491. The reversal of 1020473 is 3740201.

It is a happy number.

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 1020473 - 24 = 1020457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (255972).

21020473 is an apocalyptic number.

It is an amenable number.

1020473 is a deficient number, since it is larger than the sum of its proper divisors (3415).

1020473 is an equidigital number, since it uses as much as digits as its factorization.

1020473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1020473 is about 1010.1846365888. The cubic root of 1020473 is about 100.6778284384.

Adding to 1020473 its reverse (3740201), we get a palindrome (4760674).

The spelling of 1020473 in words is "one million, twenty thousand, four hundred seventy-three".

Divisors: 1 331 3083 1020473