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6144869 is a prime number
BaseRepresentation
bin10111011100001101100101
3102120012011202
4113130031211
53033113434
6335412245
7103142033
oct27341545
912505152
106144869
113517805
122084085
131371c23
14b5d553
15815a7e
hex5dc365

6144869 has 2 divisors, whose sum is σ = 6144870. Its totient is φ = 6144868.

The previous prime is 6144863. The next prime is 6144881. The reversal of 6144869 is 9684416.

6144869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 68644 = 2465^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 6144869 - 212 = 6140773 is a prime.

It is a super-2 number, since 2×61448692 = 75518830054322, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6144863) 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, 3072434 + 3072435.

It is an arithmetic number, because the mean of its divisors is an integer number (3072435).

Almost surely, 26144869 is an apocalyptic number.

It is an amenable number.

6144869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6144869 is an equidigital number, since it uses as much as digits as its factorization.

6144869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 6144869 is about 2478.8846282149. The cubic root of 6144869 is about 183.1629134421.

The spelling of 6144869 in words is "six million, one hundred forty-four thousand, eight hundred sixty-nine".