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313889834 = 2805319489
BaseRepresentation
bin10010101101011…
…001010000101010
3210212122020220102
4102231121100222
51120323433314
651051425402
710531006466
oct2255312052
9725566812
10313889834
11151201095
1289155262
135005203b
142d98b4a6
151c8545de
hex12b5942a

313889834 has 8 divisors (see below), whose sum is σ = 470917380. Its totient is φ = 156917376.

The previous prime is 313889803. The next prime is 313889893. The reversal of 313889834 is 438988313.

It can be written as a sum of positive squares in 2 ways, for example, as 303630625 + 10259209 = 17425^2 + 3203^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6362 + ... + 25850.

Almost surely, 2313889834 is an apocalyptic number.

313889834 is a deficient number, since it is larger than the sum of its proper divisors (157027546).

313889834 is a wasteful number, since it uses less digits than its factorization.

313889834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27544.

The product of its digits is 497664, while the sum is 47.

The square root of 313889834 is about 17716.9363604434. The cubic root of 313889834 is about 679.6089403745.

The spelling of 313889834 in words is "three hundred thirteen million, eight hundred eighty-nine thousand, eight hundred thirty-four".

Divisors: 1 2 8053 16106 19489 38978 156944917 313889834