Search a number
-
+
1020441 = 3232643
BaseRepresentation
bin11111001001000011001
31220211210010
43321020121
5230123231
633512133
711450022
oct3711031
91824703
101020441
11637744
12412649
13299616
141c7c49
15152546
hexf9219

1020441 has 12 divisors (see below), whose sum is σ = 1424528. Its totient is φ = 649704.

The previous prime is 1020431. The next prime is 1020451. The reversal of 1020441 is 1440201.

1020441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020431) and next prime (1020451).

It is not a de Polignac number, because 1020441 - 214 = 1004057 is a prime.

1020441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1020401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1266 + ... + 1908.

21020441 is an apocalyptic number.

It is an amenable number.

1020441 is a deficient number, since it is larger than the sum of its proper divisors (404087).

1020441 is an equidigital number, since it uses as much as digits as its factorization.

1020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1020441 is about 1010.1687977759. The cubic root of 1020441 is about 100.6767760754.

Adding to 1020441 its reverse (1440201), we get a palindrome (2460642).

The spelling of 1020441 in words is "one million, twenty thousand, four hundred forty-one".

Divisors: 1 3 23 69 529 643 1587 1929 14789 44367 340147 1020441