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38266668 = 2236111193
BaseRepresentation
bin1001000111111…
…0011100101100
32200000011000000
42101332130230
534244013133
63444104300
7643155426
oct221763454
980004000
1038266668
111a667350
1210995090
137c0a8cb
145121816
15355d413
hex247e72c

38266668 has 84 divisors (see below), whose sum is σ = 109623528. Its totient is φ = 11586240.

The previous prime is 38266667. The next prime is 38266681. The reversal of 38266668 is 86666283.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (38266661) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31480 + ... + 32672.

It is an arithmetic number, because the mean of its divisors is an integer number (1305042).

Almost surely, 238266668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38266668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54811764).

38266668 is an abundant number, since it is smaller than the sum of its proper divisors (71356860).

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

38266668 is a wasteful number, since it uses less digits than its factorization.

38266668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1209 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 38266668 is about 6186.0058195899. The cubic root of 38266668 is about 336.9821391327.

The spelling of 38266668 in words is "thirty-eight million, two hundred sixty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 243 297 324 396 486 594 729 891 972 1188 1193 1458 1782 2386 2673 2916 3564 3579 4772 5346 7158 8019 10692 10737 13123 14316 16038 21474 26246 32076 32211 39369 42948 52492 64422 78738 96633 118107 128844 157476 193266 236214 289899 354321 386532 472428 579798 708642 869697 1062963 1159596 1417284 1739394 2125926 3188889 3478788 4251852 6377778 9566667 12755556 19133334 38266668