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1000004 = 2253289
BaseRepresentation
bin11110100001001000100
31212210202012
43310021010
5224000004
633233352
711333315
oct3641104
91783665
101000004
11623355
12402858
13290225
141c060c
1514b46e
hexf4244

1000004 has 18 divisors (see below), whose sum is σ = 1803690. Its totient is φ = 485056.

The previous prime is 1000003. The next prime is 1000033. The reversal of 1000004 is 4000001.

It can be written as a sum of positive squares in 3 ways, for example, as 193600 + 806404 = 440^2 + 898^2 .

It is not an unprimeable number, because it can be changed into a prime (1000003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11192 + ... + 11280.

It is an arithmetic number, because the mean of its divisors is an integer number (100205).

21000004 is an apocalyptic number.

It is an amenable number.

1000004 is a deficient number, since it is larger than the sum of its proper divisors (803686).

1000004 is an equidigital number, since it uses as much as digits as its factorization.

1000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 1000004 is about 1000.0019999980. The cubic root of 1000004 is about 100.0001333332. Note that the first 3 decimals are identical.

Adding to 1000004 its reverse (4000001), we get a palindrome (5000005).

The spelling of 1000004 in words is "one million, four", and thus it is an aban number.

Divisors: 1 2 4 53 89 106 178 212 356 2809 4717 5618 9434 11236 18868 250001 500002 1000004