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388064171 = 11279712613
BaseRepresentation
bin10111001000010…
…110001110101011
31000001012200222002
4113020112032223
51243321023141
6102301321215
712421330265
oct2710261653
91001180862
10388064171
1118a0633a0
12a9b6620b
1362522891
1439778b35
1524106e9b
hex172163ab

388064171 has 8 divisors (see below), whose sum is σ = 423527664. Its totient is φ = 352631520.

The previous prime is 388064161. The next prime is 388064179. The reversal of 388064171 is 171460883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 388064171 - 214 = 388047787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388064179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24461 + ... + 37073.

It is an arithmetic number, because the mean of its divisors is an integer number (52940958).

Almost surely, 2388064171 is an apocalyptic number.

388064171 is a deficient number, since it is larger than the sum of its proper divisors (35463493).

388064171 is a wasteful number, since it uses less digits than its factorization.

388064171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 388064171 is about 19699.3444307165. The cubic root of 388064171 is about 729.4035103587.

The spelling of 388064171 in words is "three hundred eighty-eight million, sixty-four thousand, one hundred seventy-one".

Divisors: 1 11 2797 12613 30767 138743 35278561 388064171