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6868844 = 226128151
BaseRepresentation
bin11010001100111101101100
3110220222021122
4122030331230
53224300334
6403120112
7112245533
oct32147554
913828248
106868844
113971734
122373038
131566608
14cab31a
1590a32e
hex68cf6c

6868844 has 12 divisors (see below), whose sum is σ = 12217968. Its totient is φ = 3378000.

The previous prime is 6868843. The next prime is 6868859. The reversal of 6868844 is 4488686.

It is a junction number, because it is equal to n+sod(n) for n = 6868795 and 6868804.

It is not an unprimeable number, because it can be changed into a prime (6868843) 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 3 ways as a sum of consecutive naturals, for example, 13832 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (1018164).

Almost surely, 26868844 is an apocalyptic number.

It is an amenable number.

6868844 is a deficient number, since it is larger than the sum of its proper divisors (5349124).

6868844 is a wasteful number, since it uses less digits than its factorization.

6868844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28216 (or 28214 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The square root of 6868844 is about 2620.8479543842. The cubic root of 6868844 is about 190.0908522105.

The spelling of 6868844 in words is "six million, eight hundred sixty-eight thousand, eight hundred forty-four".

Divisors: 1 2 4 61 122 244 28151 56302 112604 1717211 3434422 6868844