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38285260 = 22513247241
BaseRepresentation
bin1001001000001…
…0111111001100
32200001002111121
42102002333030
534300112020
63444330324
7643263556
oct222027714
980032447
1038285260
111a67a312
12109a39a4
137c16200
1451284d6
153563baa
hex2482fcc

38285260 has 72 divisors (see below), whose sum is σ = 89280576. Its totient is φ = 13777920.

The previous prime is 38285257. The next prime is 38285297. The reversal of 38285260 is 6258283.

It is a super-2 number, since 2×382852602 = 2931522266535200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158740 + ... + 158980.

It is an arithmetic number, because the mean of its divisors is an integer number (1240008).

Almost surely, 238285260 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 38285260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44640288).

38285260 is an abundant number, since it is smaller than the sum of its proper divisors (50995316).

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

38285260 is a wasteful number, since it uses less digits than its factorization.

38285260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 38285260 is about 6187.5083838327. The cubic root of 38285260 is about 337.0367049631.

The spelling of 38285260 in words is "thirty-eight million, two hundred eighty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 47 52 65 94 130 169 188 235 241 260 338 470 482 611 676 845 940 964 1205 1222 1690 2410 2444 3055 3133 3380 4820 6110 6266 7943 11327 12220 12532 15665 15886 22654 31330 31772 39715 40729 45308 56635 62660 79430 81458 113270 147251 158860 162916 203645 226540 294502 407290 589004 736255 814580 1472510 1914263 2945020 3828526 7657052 9571315 19142630 38285260