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384988814 = 27315691559
BaseRepresentation
bin10110111100100…
…111011010001110
3222211102110100222
4112330213122032
51242024120224
6102111351342
712353231240
oct2674473216
9884373328
10384988814
11188352881
12a8b22552
13619b6b42
14391b8090
1523beab5e
hex16f2768e

384988814 has 32 divisors (see below), whose sum is σ = 682905600. Its totient is φ = 159289920.

The previous prime is 384988801. The next prime is 384988819. The reversal of 384988814 is 418889483.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384988819) 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 15 ways as a sum of consecutive naturals, for example, 246167 + ... + 247725.

It is an arithmetic number, because the mean of its divisors is an integer number (21340800).

Almost surely, 2384988814 is an apocalyptic number.

384988814 is a deficient number, since it is larger than the sum of its proper divisors (297916786).

384988814 is a wasteful number, since it uses less digits than its factorization.

384988814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168.

The product of its digits is 1769472, while the sum is 53.

The square root of 384988814 is about 19621.1318226039. The cubic root of 384988814 is about 727.4715892906.

The spelling of 384988814 in words is "three hundred eighty-four million, nine hundred eighty-eight thousand, eight hundred fourteen".

Divisors: 1 2 7 14 31 62 217 434 569 1138 1559 3118 3983 7966 10913 17639 21826 35278 48329 96658 123473 246946 338303 676606 887071 1774142 6209497 12418994 27499201 54998402 192494407 384988814