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386230988 = 2211134143383
BaseRepresentation
bin10111000001010…
…110101011001100
3222220202120022102
4113001112223030
51242333342423
6102154134232
712366623603
oct2701265314
9886676272
10386230988
11189021070
12a9421378
1362030360
143941ca3a
1523d93c28
hex17056acc

386230988 has 96 divisors (see below), whose sum is σ = 834527232. Its totient is φ = 154022400.

The previous prime is 386230979. The next prime is 386230997. The reversal of 386230988 is 889032683.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (386230979) and next prime (386230997).

It is a super-2 number, since 2×3862309882 = 298348752182912288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008245 + ... + 1008627.

It is an arithmetic number, because the mean of its divisors is an integer number (8692992).

Almost surely, 2386230988 is an apocalyptic number.

It is an amenable number.

386230988 is an abundant number, since it is smaller than the sum of its proper divisors (448296244).

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

386230988 is a wasteful number, since it uses less digits than its factorization.

386230988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 386230988 is about 19652.7603150295. The cubic root of 386230988 is about 728.2531497948.

The spelling of 386230988 in words is "three hundred eighty-six million, two hundred thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 13 22 26 41 43 44 52 82 86 143 164 172 286 383 451 473 533 559 572 766 902 946 1066 1118 1532 1763 1804 1892 2132 2236 3526 4213 4979 5863 6149 7052 8426 9958 11726 12298 15703 16469 16852 19393 19916 22919 23452 24596 31406 32938 38786 45838 54769 62812 65876 77572 91676 109538 172733 181159 204139 214097 219076 252109 345466 362318 408278 428194 504218 675229 690932 724636 816556 856388 1008436 1350458 2245529 2355067 2700916 4491058 4710134 7427519 8777977 8982116 9420268 14855038 17555954 29710076 35111908 96557747 193115494 386230988