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1327281 = 34310289
BaseRepresentation
bin101000100000010110001
32111102200120
411010002301
5314433111
644240453
714165424
oct5040261
92442616
101327281
1182722a
12540129
13376197
142679bb
151b3406
hex1440b1

1327281 has 8 divisors (see below), whose sum is σ = 1811040. Its totient is φ = 864192.

The previous prime is 1327267. The next prime is 1327289. The reversal of 1327281 is 1827231.

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

It is not a de Polignac number, because 1327281 - 26 = 1327217 is a prime.

It is a super-2 number, since 2×13272812 = 3523349705922, which contains 22 as substring.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1327289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5016 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (226380).

21327281 is an apocalyptic number.

It is an amenable number.

1327281 is a deficient number, since it is larger than the sum of its proper divisors (483759).

1327281 is a wasteful number, since it uses less digits than its factorization.

1327281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335.

The product of its digits is 672, while the sum is 24.

The square root of 1327281 is about 1152.0768203553. The cubic root of 1327281 is about 109.8974526394.

The spelling of 1327281 in words is "one million, three hundred twenty-seven thousand, two hundred eighty-one".

Divisors: 1 3 43 129 10289 30867 442427 1327281