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6978676 = 222960161
BaseRepresentation
bin11010100111110001110100
3111010112221111
4122213301310
53241304201
6405324404
7113213665
oct32476164
914115844
106978676
113a37201
122406704
1315a45c3
14cd936c
1592cb51
hex6a7c74

6978676 has 12 divisors (see below), whose sum is σ = 12634020. Its totient is φ = 3368960.

The previous prime is 6978659. The next prime is 6978677. The reversal of 6978676 is 6768796.

6978676 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5475600 + 1503076 = 2340^2 + 1226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978677) 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, 29965 + ... + 30196.

It is an arithmetic number, because the mean of its divisors is an integer number (1052835).

Almost surely, 26978676 is an apocalyptic number.

It is an amenable number.

6978676 is a deficient number, since it is larger than the sum of its proper divisors (5655344).

6978676 is a wasteful number, since it uses less digits than its factorization.

6978676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60194 (or 60192 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 6978676 is about 2641.7183801458. The cubic root of 6978676 is about 191.0986762035.

The spelling of 6978676 in words is "six million, nine hundred seventy-eight thousand, six hundred seventy-six".

Divisors: 1 2 4 29 58 116 60161 120322 240644 1744669 3489338 6978676