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3066813 = 32340757
BaseRepresentation
bin1011101100101110111101
312202210212200
423230232331
51241114223
6145422113
735032101
oct13545675
95683780
103066813
111805162
12103a939
13834ba9
1459b901
15408a43
hex2ecbbd

3066813 has 6 divisors (see below), whose sum is σ = 4429854. Its totient is φ = 2044536.

The previous prime is 3066793. The next prime is 3066821. The reversal of 3066813 is 3186603.

Added to its reverse (3186603) it gives a triangular number (6253416 = T3536).

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 870489 = 1482^2 + 933^2 .

It is not a de Polignac number, because 3066813 - 210 = 3065789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3066823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170370 + ... + 170387.

It is an arithmetic number, because the mean of its divisors is an integer number (738309).

Almost surely, 23066813 is an apocalyptic number.

It is an amenable number.

3066813 is a deficient number, since it is larger than the sum of its proper divisors (1363041).

3066813 is a wasteful number, since it uses less digits than its factorization.

3066813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340763 (or 340760 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3066813 is about 1751.2318521544. The cubic root of 3066813 is about 145.2877835867.

Adding to 3066813 its reverse (3186603), we get a triangular number (6253416 = T3536).

The spelling of 3066813 in words is "three million, sixty-six thousand, eight hundred thirteen".

Divisors: 1 3 9 340757 1022271 3066813