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1004420 = 22550221
BaseRepresentation
bin11110101001110000100
31220000210202
43311032010
5224120140
633310032
711352224
oct3651604
91800722
101004420
116266aa
12405318
13292241
141c2084
1514c915
hexf5384

1004420 has 12 divisors (see below), whose sum is σ = 2109324. Its totient is φ = 401760.

The previous prime is 1004401. The next prime is 1004429. The reversal of 1004420 is 244001.

1004420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 244036 + 760384 = 494^2 + 872^2 .

It is not an unprimeable number, because it can be changed into a prime (1004429) 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, 25091 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (175777).

21004420 is an apocalyptic number.

1004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004420 is an abundant number, since it is smaller than the sum of its proper divisors (1104904).

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

1004420 is a wasteful number, since it uses less digits than its factorization.

1004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50230 (or 50228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1004420 is about 1002.2075633321. The cubic root of 1004420 is about 100.1471167937.

Adding to 1004420 its reverse (244001), we get a palindrome (1248421).

The spelling of 1004420 in words is "one million, four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 50221 100442 200884 251105 502210 1004420