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388216114 = 211131779847
BaseRepresentation
bin10111001000111…
…011010100110010
31000001111102101121
4113020323110302
51243340403424
6102304452454
712422532256
oct2710732462
91001442347
10388216114
1118a157570
12aa01a12a
1362576aa0
14397b8266
1524136ee4
hex1723b532

388216114 has 32 divisors (see below), whose sum is σ = 724381056. Its totient is φ = 153304320.

The previous prime is 388216111. The next prime is 388216177. The reversal of 388216114 is 411612883.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 388216114.

It is not an unprimeable number, because it can be changed into a prime (388216111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35062 + ... + 44785.

It is an arithmetic number, because the mean of its divisors is an integer number (22636908).

Almost surely, 2388216114 is an apocalyptic number.

388216114 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

388216114 is a deficient number, since it is larger than the sum of its proper divisors (336164942).

388216114 is a wasteful number, since it uses less digits than its factorization.

388216114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79890.

The product of its digits is 9216, while the sum is 34.

The square root of 388216114 is about 19703.2006029477. The cubic root of 388216114 is about 729.4986950425.

Adding to 388216114 its reverse (411612883), we get a palindrome (799828997).

The spelling of 388216114 in words is "three hundred eighty-eight million, two hundred sixteen thousand, one hundred fourteen".

Divisors: 1 2 11 13 17 22 26 34 143 187 221 286 374 442 2431 4862 79847 159694 878317 1038011 1357399 1756634 2076022 2714798 11418121 14931389 17646187 22836242 29862778 35292374 194108057 388216114