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9069681 = 33378971
BaseRepresentation
bin100010100110…
…010001110001
3122001210021010
4202212101301
54310212211
6522221133
7140043135
oct42462161
918053233
109069681
115135205
1230547a9
131b5729a
1412c13c5
15be24a6
hex8a6471

9069681 has 8 divisors (see below), whose sum is σ = 12130144. Its totient is φ = 6027840.

The previous prime is 9069677. The next prime is 9069703. The reversal of 9069681 is 1869609.

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

It is not a de Polignac number, because 9069681 - 22 = 9069677 is a prime.

It is a super-2 number, since 2×90696812 = 164518226883522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9069661) 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, 3475 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (1516268).

Almost surely, 29069681 is an apocalyptic number.

It is an amenable number.

9069681 is a deficient number, since it is larger than the sum of its proper divisors (3060463).

9069681 is a wasteful number, since it uses less digits than its factorization.

9069681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9069681 is about 3011.5911077037. The cubic root of 9069681 is about 208.5438262224.

The spelling of 9069681 in words is "nine million, sixty-nine thousand, six hundred eighty-one".

Divisors: 1 3 337 1011 8971 26913 3023227 9069681