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27331329 = 319479497
BaseRepresentation
bin110100001000…
…0101100000001
31220102120112110
41220100230001
523444100304
62413445533
7451212114
oct150205401
956376473
1027331329
1114478483
1291a08a9
13587c3ac
1438b657b
1525ed289
hex1a10b01

27331329 has 8 divisors (see below), whose sum is σ = 38359840. Its totient is φ = 17261856.

The previous prime is 27331327. The next prime is 27331349. The reversal of 27331329 is 92313372.

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

It is not a de Polignac number, because 27331329 - 21 = 27331327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27331296 and 27331305.

It is not an unprimeable number, because it can be changed into a prime (27331321) 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, 239692 + ... + 239805.

It is an arithmetic number, because the mean of its divisors is an integer number (4794980).

Almost surely, 227331329 is an apocalyptic number.

It is an amenable number.

27331329 is a deficient number, since it is larger than the sum of its proper divisors (11028511).

27331329 is a wasteful number, since it uses less digits than its factorization.

27331329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479519.

The product of its digits is 6804, while the sum is 30.

The square root of 27331329 is about 5227.9373561664. The cubic root of 27331329 is about 301.2221587764. Note that the first 3 decimals are identical.

The spelling of 27331329 in words is "twenty-seven million, three hundred thirty-one thousand, three hundred twenty-nine".

Divisors: 1 3 19 57 479497 1438491 9110443 27331329