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8009844 = 223667487
BaseRepresentation
bin11110100011100001110100
3120001221102220
4132203201310
54022303334
6443402340
7125040213
oct36434164
916057386
108009844
114580a07
1228233b0
131875a6b
1410c707a
15a83449
hex7a3874

8009844 has 12 divisors (see below), whose sum is σ = 18689664. Its totient is φ = 2669944.

The previous prime is 8009843. The next prime is 8009861. The reversal of 8009844 is 4489008.

8009844 is digitally balanced in base 4, 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 an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8009843) 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, 333732 + ... + 333755.

It is an arithmetic number, because the mean of its divisors is an integer number (1557472).

Almost surely, 28009844 is an apocalyptic number.

It is an amenable number.

8009844 is an abundant number, since it is smaller than the sum of its proper divisors (10679820).

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

8009844 is a wasteful number, since it uses less digits than its factorization.

8009844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667494 (or 667492 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8009844 is about 2830.1667795379. The cubic root of 8009844 is about 200.0819997090.

The spelling of 8009844 in words is "eight million, nine thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 667487 1334974 2002461 2669948 4004922 8009844