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38055290 = 25713193171
BaseRepresentation
bin1001000100101…
…0110101111010
32122121102001012
42101022311322
534220232130
63435353522
7641315240
oct221126572
978542035
1038055290
111a532559
12108b28a2
137b65630
1450a8790
15351a995
hex244ad7a

38055290 has 128 divisors (see below), whose sum is σ = 92897280. Its totient is φ = 10886400.

The previous prime is 38055239. The next prime is 38055319. The reversal of 38055290 is 9255083.

It is a happy number.

38055290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 535955 + ... + 536025.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 238055290 is an apocalyptic number.

38055290 is an abundant number, since it is smaller than the sum of its proper divisors (54841990).

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

38055290 is a wasteful number, since it uses less digits than its factorization.

38055290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 38055290 is about 6168.8969840645. The cubic root of 38055290 is about 336.3605174689.

The spelling of 38055290 in words is "thirty-eight million, fifty-five thousand, two hundred ninety".

Divisors: 1 2 5 7 10 13 14 19 26 31 35 38 62 65 70 71 91 95 130 133 142 155 182 190 217 247 266 310 355 403 434 455 494 497 589 665 710 806 910 923 994 1085 1178 1235 1330 1349 1729 1846 2015 2170 2201 2470 2485 2698 2821 2945 3458 4030 4123 4402 4615 4970 5642 5890 6461 6745 7657 8246 8645 9230 9443 11005 12922 13490 14105 15314 15407 17290 17537 18886 20615 22010 28210 28613 30814 32305 35074 38285 41230 41819 47215 53599 57226 64610 76570 77035 83638 87685 94430 107198 122759 143065 154070 175370 200291 209095 245518 267995 286130 292733 400582 418190 535990 543647 585466 613795 1001455 1087294 1227590 1463665 2002910 2718235 2927330 3805529 5436470 7611058 19027645 38055290