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1313286 = 2313113149
BaseRepresentation
bin101000000101000000110
32110201111020
411000220012
5314011121
644052010
714106552
oct5005006
92421436
101313286
11817767
12534006
1336c9c0
14262862
151ae1c6
hex140a06

1313286 has 32 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 397824.

The previous prime is 1313239. The next prime is 1313293. The reversal of 1313286 is 6823131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8740 + ... + 8888.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

21313286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436400).

1313286 is an abundant number, since it is smaller than the sum of its proper divisors (1559514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313286 is a wasteful number, since it uses less digits than its factorization.

1313286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 864, while the sum is 24.

The square root of 1313286 is about 1145.9869109200. The cubic root of 1313286 is about 109.5098300218.

The spelling of 1313286 in words is "one million, three hundred thirteen thousand, two hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 78 113 149 226 298 339 447 678 894 1469 1937 2938 3874 4407 5811 8814 11622 16837 33674 50511 101022 218881 437762 656643 1313286