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38388208 = 2419197641
BaseRepresentation
bin1001001001110…
…0000111110000
32200020022201111
42102130013300
534311410313
63450443104
7644202655
oct222340760
980208644
1038388208
111a73a6a1
1210a33494
137c51021
145153c2c
15358443d
hex249c1f0

38388208 has 40 divisors (see below), whose sum is σ = 78811920. Its totient is φ = 18063360.

The previous prime is 38388187. The next prime is 38388223. The reversal of 38388208 is 80288383.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59568 + ... + 60208.

It is an arithmetic number, because the mean of its divisors is an integer number (1970298).

Almost surely, 238388208 is an apocalyptic number.

38388208 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38388208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39405960).

38388208 is an abundant number, since it is smaller than the sum of its proper divisors (40423712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38388208 is a wasteful number, since it uses less digits than its factorization.

38388208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 38388208 is about 6195.8218179673. The cubic root of 38388208 is about 337.3385287033.

The spelling of 38388208 in words is "thirty-eight million, three hundred eighty-eight thousand, two hundred eight".

Divisors: 1 2 4 8 16 19 38 76 152 197 304 394 641 788 1282 1576 2564 3152 3743 5128 7486 10256 12179 14972 24358 29944 48716 59888 97432 126277 194864 252554 505108 1010216 2020432 2399263 4798526 9597052 19194104 38388208