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385284063 = 32310495323
BaseRepresentation
bin10110111101101…
…111011111011111
3222211222110101010
4112331233133133
51242113042223
6102121550303
712355601103
oct2675573737
9884873333
10385284063
1118853468a
12a9045393
1361a8b348
1439253903
1523c58393
hex16f6f7df

385284063 has 16 divisors (see below), whose sum is σ = 536659200. Its totient is φ = 245408064.

The previous prime is 385284047. The next prime is 385284077. The reversal of 385284063 is 360482583.

It is not a de Polignac number, because 385284063 - 24 = 385284047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385284023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69720 + ... + 75042.

It is an arithmetic number, because the mean of its divisors is an integer number (33541200).

Almost surely, 2385284063 is an apocalyptic number.

385284063 is a deficient number, since it is larger than the sum of its proper divisors (151375137).

385284063 is a wasteful number, since it uses less digits than its factorization.

385284063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 385284063 is about 19628.6541311421. The cubic root of 385284063 is about 727.6575084380.

The spelling of 385284063 in words is "three hundred eighty-five million, two hundred eighty-four thousand, sixty-three".

Divisors: 1 3 23 69 1049 3147 5323 15969 24127 72381 122429 367287 5583827 16751481 128428021 385284063