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6868775 = 52274751
BaseRepresentation
bin11010001100111100100111
3110220222012002
4122030330213
53224300100
6403115515
7112245404
oct32147447
913828162
106868775
113971681
122372b9b
131566584
14cab2ab
1590a2d5
hex68cf27

6868775 has 6 divisors (see below), whose sum is σ = 8517312. Its totient is φ = 5495000.

The previous prime is 6868759. The next prime is 6868781. The reversal of 6868775 is 5778686.

It is not a de Polignac number, because 6868775 - 24 = 6868759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 137351 + ... + 137400.

It is an arithmetic number, because the mean of its divisors is an integer number (1419552).

Almost surely, 26868775 is an apocalyptic number.

6868775 is a deficient number, since it is larger than the sum of its proper divisors (1648537).

6868775 is a wasteful number, since it uses less digits than its factorization.

6868775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274761 (or 274756 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 6868775 is about 2620.8347906726. The cubic root of 6868775 is about 190.0902156981.

The spelling of 6868775 in words is "six million, eight hundred sixty-eight thousand, seven hundred seventy-five".

Divisors: 1 5 25 274751 1373755 6868775