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9303681 = 310330109
BaseRepresentation
bin100011011111…
…011010000001
3122111200020210
4203133122001
54340204211
6531224333
7142036302
oct43373201
918450223
109303681
115284aa2
1231480a9
131c0994a
1413427a9
15c3b9a6
hex8df681

9303681 has 8 divisors (see below), whose sum is σ = 12525760. Its totient is φ = 6142032.

The previous prime is 9303677. The next prime is 9303691. The reversal of 9303681 is 1863039.

9303681 is digitally balanced in base 2, base 3 and base 4, because in such bases 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 not a de Polignac number, because 9303681 - 22 = 9303677 is a prime.

It is a super-2 number, since 2×93036812 = 173116960299522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9303611) 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, 14746 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (1565720).

Almost surely, 29303681 is an apocalyptic number.

It is an amenable number.

9303681 is a deficient number, since it is larger than the sum of its proper divisors (3222079).

9303681 is a wasteful number, since it uses less digits than its factorization.

9303681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30215.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 9303681 is about 3050.1936004129. The cubic root of 9303681 is about 210.3221133761.

The spelling of 9303681 in words is "nine million, three hundred three thousand, six hundred eighty-one".

Divisors: 1 3 103 309 30109 90327 3101227 9303681