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1020444 = 22385037
BaseRepresentation
bin11111001001000011100
31220211210020
43321020130
5230123234
633512140
711450025
oct3711034
91824706
101020444
11637747
12412650
13299619
141c7c4c
15152549
hexf921c

1020444 has 12 divisors (see below), whose sum is σ = 2381064. Its totient is φ = 340144.

The previous prime is 1020431. The next prime is 1020451. The reversal of 1020444 is 4440201.

1020444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42507 + ... + 42530.

It is an arithmetic number, because the mean of its divisors is an integer number (198422).

21020444 is an apocalyptic number.

It is an amenable number.

1020444 is an abundant number, since it is smaller than the sum of its proper divisors (1360620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020444 is a wasteful number, since it uses less digits than its factorization.

1020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85044 (or 85042 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1020444 is about 1010.1702826752. The cubic root of 1020444 is about 100.6768747354.

Adding to 1020444 its reverse (4440201), we get a palindrome (5460645).

The spelling of 1020444 in words is "one million, twenty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 85037 170074 255111 340148 510222 1020444