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313984394 = 2792717333
BaseRepresentation
bin10010101101110…
…000010110001010
3210212211001121122
4102231300112022
51120340000034
651053435242
710531552253
oct2255602612
9725731548
10313984394
11151266139
128919bb22
13500860a9
142d9b3b2a
151c87262e
hex12b7058a

313984394 has 16 divisors (see below), whose sum is σ = 478763520. Its totient is φ = 154411920.

The previous prime is 313984387. The next prime is 313984397. The reversal of 313984394 is 493489313.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (313984397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39152 + ... + 46484.

It is an arithmetic number, because the mean of its divisors is an integer number (29922720).

Almost surely, 2313984394 is an apocalyptic number.

313984394 is a deficient number, since it is larger than the sum of its proper divisors (164779126).

313984394 is a wasteful number, since it uses less digits than its factorization.

313984394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685.

The product of its digits is 279936, while the sum is 44.

The square root of 313984394 is about 17719.6047924326. The cubic root of 313984394 is about 679.6771780833.

The spelling of 313984394 in words is "three hundred thirteen million, nine hundred eighty-four thousand, three hundred ninety-four".

Divisors: 1 2 79 158 271 542 7333 14666 21409 42818 579307 1158614 1987243 3974486 156992197 313984394