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388085996 = 221714938303
BaseRepresentation
bin10111001000011…
…011100011101100
31000001020210220102
4113020123203230
51243322222441
6102302010232
712421451024
oct2710334354
91001223812
10388085996
1118a078831
12a9b76978
136252c7ac
1439782a84
152410d69b
hex1721b8ec

388085996 has 24 divisors (see below), whose sum is σ = 723945600. Its totient is φ = 181398272.

The previous prime is 388085987. The next prime is 388086053. The reversal of 388085996 is 699580883.

It is a super-2 number, since 2×3880859962 = 301221480582624032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9020 + ... + 29283.

It is an arithmetic number, because the mean of its divisors is an integer number (30164400).

Almost surely, 2388085996 is an apocalyptic number.

It is an amenable number.

388085996 is a deficient number, since it is larger than the sum of its proper divisors (335859604).

388085996 is a wasteful number, since it uses less digits than its factorization.

388085996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38473 (or 38471 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 56.

The square root of 388085996 is about 19699.8983753724. The cubic root of 388085996 is about 729.4171841566.

The spelling of 388085996 in words is "three hundred eighty-eight million, eighty-five thousand, nine hundred ninety-six".

Divisors: 1 2 4 17 34 68 149 298 596 2533 5066 10132 38303 76606 153212 651151 1302302 2604604 5707147 11414294 22828588 97021499 194042998 388085996