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4468729 is a prime number
BaseRepresentation
bin10001000010111111111001
322102000221111
4101002333321
52120444404
6235440321
752661236
oct21027771
98360844
104468729
112582471
1215b60a1
13c06025
1484478d
155d4104
hex442ff9

4468729 has 2 divisors, whose sum is σ = 4468730. Its totient is φ = 4468728.

The previous prime is 4468727. The next prime is 4468741. The reversal of 4468729 is 9278644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4108729 + 360000 = 2027^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 4468729 - 21 = 4468727 is a prime.

Together with 4468727, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4468691 and 4468700.

It is not a weakly prime, because it can be changed into another prime (4468721) 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 as a sum of consecutive naturals, namely, 2234364 + 2234365.

It is an arithmetic number, because the mean of its divisors is an integer number (2234365).

Almost surely, 24468729 is an apocalyptic number.

It is an amenable number.

4468729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4468729 is an equidigital number, since it uses as much as digits as its factorization.

4468729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 4468729 is about 2113.9368486310. The cubic root of 4468729 is about 164.7130488503.

The spelling of 4468729 in words is "four million, four hundred sixty-eight thousand, seven hundred twenty-nine".