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318065742 = 23217670319
BaseRepresentation
bin10010111101010…
…100110001001110
3211011111102011200
4102331110301032
51122411100432
651321130330
710611341241
oct2275246116
9734442150
10318065742
111535a3555
128a6299a6
1350b849a7
1430357258
151cdcba7c
hex12f54c4e

318065742 has 12 divisors (see below), whose sum is σ = 689142480. Its totient is φ = 106021908.

The previous prime is 318065723. The next prime is 318065747. The reversal of 318065742 is 247560813.

318065742 is a `hidden beast` number, since 3 + 1 + 80 + 6 + 574 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 318065697 and 318065706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318065747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8835142 + ... + 8835177.

It is an arithmetic number, because the mean of its divisors is an integer number (57428540).

Almost surely, 2318065742 is an apocalyptic number.

318065742 is an abundant number, since it is smaller than the sum of its proper divisors (371076738).

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

318065742 is a wasteful number, since it uses less digits than its factorization.

318065742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670327 (or 17670324 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 318065742 is about 17834.3977190148. The cubic root of 318065742 is about 682.6094531218.

The spelling of 318065742 in words is "three hundred eighteen million, sixty-five thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 17670319 35340638 53010957 106021914 159032871 318065742