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10084081 = 71440583
BaseRepresentation
bin100110011101…
…111011110001
3200222022202111
4212131323301
510040142311
61000045321
7151466440
oct46357361
920868674
1010084081
115768357
123463841
132120c17
1414a6d57
15d42d21
hex99def1

10084081 has 4 divisors (see below), whose sum is σ = 11524672. Its totient is φ = 8643492.

The previous prime is 10084049. The next prime is 10084133. The reversal of 10084081 is 18048001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18048001 = 131137771.

It is a cyclic number.

It is not a de Polignac number, because 10084081 - 25 = 10084049 is a prime.

It is a super-2 number, since 2×100840812 = 203377379229122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10084031) 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, 720285 + ... + 720298.

It is an arithmetic number, because the mean of its divisors is an integer number (2881168).

Almost surely, 210084081 is an apocalyptic number.

It is an amenable number.

10084081 is a deficient number, since it is larger than the sum of its proper divisors (1440591).

10084081 is an equidigital number, since it uses as much as digits as its factorization.

10084081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440590.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 10084081 is about 3175.5442053292. The cubic root of 10084081 is about 216.0456079390.

The spelling of 10084081 in words is "ten million, eighty-four thousand, eighty-one".

Divisors: 1 7 1440583 10084081