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6875385 = 351141669
BaseRepresentation
bin11010001110100011111001
3110221022020220
4122032203321
53230003020
6403210253
7112303566
oct32164371
913838226
106875385
113976640
122376989
13156959a
14cad86d
1590c240
hex68e8f9

6875385 has 16 divisors (see below), whose sum is σ = 12000960. Its totient is φ = 3333440.

The previous prime is 6875383. The next prime is 6875387. The reversal of 6875385 is 5835786.

It is an interprime number because it is at equal distance from previous prime (6875383) and next prime (6875387).

It is not a de Polignac number, because 6875385 - 21 = 6875383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6875383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20670 + ... + 20999.

It is an arithmetic number, because the mean of its divisors is an integer number (750060).

Almost surely, 26875385 is an apocalyptic number.

It is an amenable number.

6875385 is a deficient number, since it is larger than the sum of its proper divisors (5125575).

6875385 is a wasteful number, since it uses less digits than its factorization.

6875385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41688.

The product of its digits is 201600, while the sum is 42.

The square root of 6875385 is about 2622.0955360169. The cubic root of 6875385 is about 190.1511723941.

It can be divided in two parts, 6875 and 385, that added together give a triangular number (7260 = T120).

The spelling of 6875385 in words is "six million, eight hundred seventy-five thousand, three hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 41669 125007 208345 458359 625035 1375077 2291795 6875385