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9006681 = 312772351
BaseRepresentation
bin100010010110…
…111001011001
3121221120211210
4202112321121
54301203211
6521013333
7136361355
oct42267131
917846753
109006681
1150a1942
123024249
131b346c8
1412a6465
15bcd9a6
hex896e59

9006681 has 8 divisors (see below), whose sum is σ = 12023424. Its totient is φ = 5997200.

The previous prime is 9006677. The next prime is 9006707. The reversal of 9006681 is 1866009.

9006681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9006681 - 22 = 9006677 is a prime.

It is a super-2 number, since 2×90066812 = 162240605271522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9006601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2656 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (1502928).

Almost surely, 29006681 is an apocalyptic number.

It is an amenable number.

9006681 is a deficient number, since it is larger than the sum of its proper divisors (3016743).

9006681 is a wasteful number, since it uses less digits than its factorization.

9006681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 9006681 is about 3001.1132934296. The cubic root of 9006681 is about 208.0598400929.

The spelling of 9006681 in words is "nine million, six thousand, six hundred eighty-one".

Divisors: 1 3 1277 2351 3831 7053 3002227 9006681