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6770945 = 54133029
BaseRepresentation
bin11001110101000100000001
3110201222222202
4121311010001
53213132240
6401042545
7111360236
oct31650401
913658882
106770945
113905125
122326455
131530b9c
14c8378d
158db315
hex675101

6770945 has 8 divisors (see below), whose sum is σ = 8323560. Its totient is φ = 5284480.

The previous prime is 6770941. The next prime is 6770977. The reversal of 6770945 is 5490776.

It can be written as a sum of positive squares in 4 ways, for example, as 758641 + 6012304 = 871^2 + 2452^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6770945 - 22 = 6770941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6770899 and 6770908.

It is not an unprimeable number, because it can be changed into a prime (6770941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16310 + ... + 16719.

It is an arithmetic number, because the mean of its divisors is an integer number (1040445).

Almost surely, 26770945 is an apocalyptic number.

It is an amenable number.

6770945 is a deficient number, since it is larger than the sum of its proper divisors (1552615).

6770945 is a wasteful number, since it uses less digits than its factorization.

6770945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33075.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 6770945 is about 2602.1039564168. The cubic root of 6770945 is about 189.1834300665.

The spelling of 6770945 in words is "six million, seven hundred seventy thousand, nine hundred forty-five".

Divisors: 1 5 41 205 33029 165145 1354189 6770945