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38218334 = 272113293
BaseRepresentation
bin1001000111001…
…0101001011110
32122220200200212
42101302221132
534240441314
63443052422
7642564500
oct221625136
978820625
1038218334
111a634000
1210971112
137bc18cb
14510bd70
15354de3e
hex2472a5e

38218334 has 48 divisors (see below), whose sum is σ = 73601136. Its totient is φ = 14839440.

The previous prime is 38218321. The next prime is 38218339. The reversal of 38218334 is 43381283.

It is a happy number.

38218334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38218334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38218339) 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 23 ways as a sum of consecutive naturals, for example, 130292 + ... + 130584.

It is an arithmetic number, because the mean of its divisors is an integer number (1533357).

Almost surely, 238218334 is an apocalyptic number.

38218334 is a deficient number, since it is larger than the sum of its proper divisors (35382802).

38218334 is a wasteful number, since it uses less digits than its factorization.

38218334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 313 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 38218334 is about 6182.0978639941. The cubic root of 38218334 is about 336.8402004869.

The spelling of 38218334 in words is "thirty-eight million, two hundred eighteen thousand, three hundred thirty-four".

Divisors: 1 2 7 11 14 22 49 77 98 121 154 242 293 539 586 847 1078 1331 1694 2051 2662 3223 4102 5929 6446 9317 11858 14357 18634 22561 28714 35453 45122 65219 70906 130438 157927 248171 315854 389983 496342 779966 1737197 2729881 3474394 5459762 19109167 38218334