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394231214 = 21326357653
BaseRepresentation
bin10111011111110…
…111110110101110
31000110211000120002
4113133313312232
51301410344324
6103041424302
712524624066
oct2737676656
91013730502
10394231214
11192595823
12b003b092
13638a1910
143a5023a6
15249243ae
hex177f7dae

394231214 has 16 divisors (see below), whose sum is σ = 639267552. Its totient is φ = 181257888.

The previous prime is 394231199. The next prime is 394231223. The reversal of 394231214 is 412132493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21989 + ... + 35664.

It is an arithmetic number, because the mean of its divisors is an integer number (39954222).

Almost surely, 2394231214 is an apocalyptic number.

394231214 is a deficient number, since it is larger than the sum of its proper divisors (245036338).

394231214 is a wasteful number, since it uses less digits than its factorization.

394231214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57931.

The product of its digits is 5184, while the sum is 29.

The square root of 394231214 is about 19855.2565835851. The cubic root of 394231214 is about 733.2470692377.

The spelling of 394231214 in words is "three hundred ninety-four million, two hundred thirty-one thousand, two hundred fourteen".

Divisors: 1 2 13 26 263 526 3419 6838 57653 115306 749489 1498978 15162739 30325478 197115607 394231214