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385000003 = 17531373119
BaseRepresentation
bin10110111100101…
…010001001000011
3222211110000201101
4112330222021003
51242030000003
6102111515231
712353305663
oct2674521103
9884400641
10385000003
11188360223
12a8b28b17
13619bbc6b
14391bc1a3
1523bee11d
hex16f2a243

385000003 has 16 divisors (see below), whose sum is σ = 418504320. Its totient is φ = 352807936.

The previous prime is 384999997. The next prime is 385000043. The reversal of 385000003 is 300000583.

It is not a de Polignac number, because 385000003 - 213 = 384991811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385000043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121878 + ... + 124996.

It is an arithmetic number, because the mean of its divisors is an integer number (26156520).

Almost surely, 2385000003 is an apocalyptic number.

385000003 is a deficient number, since it is larger than the sum of its proper divisors (33504317).

385000003 is a wasteful number, since it uses less digits than its factorization.

385000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 385000003 is about 19621.4169467957. The cubic root of 385000003 is about 727.4786367687.

Adding to 385000003 its reverse (300000583), we get a palindrome (685000586).

The spelling of 385000003 in words is "three hundred eighty-five million, three", and thus it is an aban number.

Divisors: 1 17 53 137 901 2329 3119 7261 53023 123437 165307 427303 2810219 7264151 22647059 385000003