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9104681 = 28132401
BaseRepresentation
bin100010101110…
…110100101001
3122010120021102
4202232310221
54312322211
6523051145
7140250155
oct42566451
918116242
109104681
115159533
123070ab5
131b6a1b1
1412d0065
15beca3b
hex8aed29

9104681 has 4 divisors (see below), whose sum is σ = 9137364. Its totient is φ = 9072000.

The previous prime is 9104659. The next prime is 9104687. The reversal of 9104681 is 1864019.

9104681 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1864019 = 7332543.

It can be written as a sum of positive squares in 2 ways, for example, as 8265625 + 839056 = 2875^2 + 916^2 .

It is a cyclic number.

It is not a de Polignac number, because 9104681 - 26 = 9104617 is a prime.

It is a super-2 number, since 2×91046812 = 165790432223522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9104687) 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, 15920 + ... + 16481.

It is an arithmetic number, because the mean of its divisors is an integer number (2284341).

Almost surely, 29104681 is an apocalyptic number.

It is an amenable number.

9104681 is a deficient number, since it is larger than the sum of its proper divisors (32683).

9104681 is a wasteful number, since it uses less digits than its factorization.

9104681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32682.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 9104681 is about 3017.3963942445. The cubic root of 9104681 is about 208.8117395400.

The spelling of 9104681 in words is "nine million, one hundred four thousand, six hundred eighty-one".

Divisors: 1 281 32401 9104681