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1312882 = 21315011
BaseRepresentation
bin101000000100001110010
32110200221021
411000201302
5314003012
644050054
714105434
oct5004162
92420837
101312882
1181742a
1253392a
1336c76c
14262654
151ae007
hex140872

1312882 has 8 divisors (see below), whose sum is σ = 1984752. Its totient is φ = 651300.

The previous prime is 1312877. The next prime is 1312889. The reversal of 1312882 is 2882131.

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

It is not an unprimeable number, because it can be changed into a prime (1312889) 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 3 ways as a sum of consecutive naturals, for example, 2244 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (248094).

21312882 is an apocalyptic number.

1312882 is a deficient number, since it is larger than the sum of its proper divisors (671870).

1312882 is a wasteful number, since it uses less digits than its factorization.

1312882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144.

The product of its digits is 768, while the sum is 25.

The square root of 1312882 is about 1145.8106300781. The cubic root of 1312882 is about 109.4985995387.

The spelling of 1312882 in words is "one million, three hundred twelve thousand, eight hundred eighty-two".

Divisors: 1 2 131 262 5011 10022 656441 1312882