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38365808 = 2413672753
BaseRepresentation
bin1001001001011…
…0101001110000
32200012011222212
42102112221300
534310201213
63450151252
7644050445
oct222265160
980164885
1038365808
111a724888
1210a22528
137c43a80
1451499cc
15357c9a8
hex2496a70

38365808 has 40 divisors (see below), whose sum is σ = 81276048. Its totient is φ = 17436672.

The previous prime is 38365793. The next prime is 38365819. The reversal of 38365808 is 80856383.

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, 12560 + ... + 15312.

Almost surely, 238365808 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 38365808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40638024).

38365808 is an abundant number, since it is smaller than the sum of its proper divisors (42910240).

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

38365808 is a wasteful number, since it uses less digits than its factorization.

38365808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 38365808 is about 6194.0138843887. The cubic root of 38365808 is about 337.2729021853.

The spelling of 38365808 in words is "thirty-eight million, three hundred sixty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 13 16 26 52 67 104 134 208 268 536 871 1072 1742 2753 3484 5506 6968 11012 13936 22024 35789 44048 71578 143156 184451 286312 368902 572624 737804 1475608 2397863 2951216 4795726 9591452 19182904 38365808