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10004081 = 10397127
BaseRepresentation
bin100110001010…
…011001110001
3200211021000112
4212022121301
510030112311
6554231105
7151014263
oct46123161
920737015
1010004081
11571323a
123425495
1320c3699
141485b33
15d2928b
hex98a671

10004081 has 4 divisors (see below), whose sum is σ = 10101312. Its totient is φ = 9906852.

The previous prime is 10004063. The next prime is 10004119. The reversal of 10004081 is 18040001.

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 10004081 - 26 = 10004017 is a prime.

It is a super-2 number, since 2×100040812 = 200163273309122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10004881) 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, 48461 + ... + 48666.

It is an arithmetic number, because the mean of its divisors is an integer number (2525328).

Almost surely, 210004081 is an apocalyptic number.

It is an amenable number.

10004081 is a deficient number, since it is larger than the sum of its proper divisors (97231).

10004081 is an equidigital number, since it uses as much as digits as its factorization.

10004081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97230.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 10004081 is about 3162.9228571054. The cubic root of 10004081 is about 215.4727725105.

Adding to 10004081 its reverse (18040001), we get a palindrome (28044082).

The spelling of 10004081 in words is "ten million, four thousand, eighty-one".

Divisors: 1 103 97127 10004081