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612323219 is a prime number
BaseRepresentation
bin100100011111110…
…100111110010011
31120200012020112202
4210133310332103
52223223320334
6140432113415
721113442614
oct4437647623
91520166482
10612323219
11294705552
1215109586b
1399b21a41
145b473c0b
1538b5417e
hex247f4f93

612323219 has 2 divisors, whose sum is σ = 612323220. Its totient is φ = 612323218.

The previous prime is 612323207. The next prime is 612323237. The reversal of 612323219 is 912323216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612323219 - 216 = 612257683 is a prime.

It is a super-2 number, since 2×6123232192 = 749879449053043922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 612323191 and 612323200.

It is not a weakly prime, because it can be changed into another prime (612343219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306161609 + 306161610.

It is an arithmetic number, because the mean of its divisors is an integer number (306161610).

Almost surely, 2612323219 is an apocalyptic number.

612323219 is a deficient number, since it is larger than the sum of its proper divisors (1).

612323219 is an equidigital number, since it uses as much as digits as its factorization.

612323219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 612323219 is about 24745.1655682479. The cubic root of 612323219 is about 849.1679142057.

The spelling of 612323219 in words is "six hundred twelve million, three hundred twenty-three thousand, two hundred nineteen".