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316568249 = 3186311833
BaseRepresentation
bin10010110111100…
…111001010111001
3211001200022222222
4102313213022321
51122020140444
651225053425
710562533334
oct2267471271
9731608888
10316568249
11152770458
128a027275
135077c1ba
143008761b
151cbd2eee
hex12de72b9

316568249 has 8 divisors (see below), whose sum is σ = 327186432. Its totient is φ = 305975520.

The previous prime is 316568227. The next prime is 316568281. The reversal of 316568249 is 942865613.

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

It is a cyclic number.

It is not a de Polignac number, because 316568249 - 224 = 299791033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316568209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20837 + ... + 32669.

It is an arithmetic number, because the mean of its divisors is an integer number (40898304).

Almost surely, 2316568249 is an apocalyptic number.

It is an amenable number.

316568249 is a deficient number, since it is larger than the sum of its proper divisors (10618183).

316568249 is a wasteful number, since it uses less digits than its factorization.

316568249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727.

The product of its digits is 311040, while the sum is 44.

The square root of 316568249 is about 17792.3649074540. The cubic root of 316568249 is about 681.5364974702.

The spelling of 316568249 in words is "three hundred sixteen million, five hundred sixty-eight thousand, two hundred forty-nine".

Divisors: 1 31 863 11833 26753 366823 10211879 316568249