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6630317 = 20273271
BaseRepresentation
bin11001010010101110101101
3110110212002022
4121102232231
53144132232
6354035525
7110233241
oct31225655
913425068
106630317
113819501
122278ba5
1314b1b85
14c48421
158ae812
hex652bad

6630317 has 4 divisors (see below), whose sum is σ = 6635616. Its totient is φ = 6625020.

The previous prime is 6630313. The next prime is 6630319. The reversal of 6630317 is 7130366.

6630317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7130366 = 23565183.

It is a cyclic number.

It is not a de Polignac number, because 6630317 - 22 = 6630313 is a prime.

It is a super-2 number, since 2×66303172 = 87922207040978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630313) 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, 392 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (1658904).

Almost surely, 26630317 is an apocalyptic number.

It is an amenable number.

6630317 is a deficient number, since it is larger than the sum of its proper divisors (5299).

6630317 is a wasteful number, since it uses less digits than its factorization.

6630317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 6630317 is about 2574.9401934802. The cubic root of 6630317 is about 187.8645187318.

The spelling of 6630317 in words is "six million, six hundred thirty thousand, three hundred seventeen".

Divisors: 1 2027 3271 6630317