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468148649 is a prime number
BaseRepresentation
bin11011111001110…
…110000110101001
31012121220102012212
4123321312012221
51424321224044
6114242014505
714413124603
oct3371660651
91177812185
10468148649
11220292011
12110947435
1375cb2547
1446264173
152b175a9e
hex1be761a9

468148649 has 2 divisors, whose sum is σ = 468148650. Its totient is φ = 468148648.

The previous prime is 468148609. The next prime is 468148691. The reversal of 468148649 is 946841864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409779049 + 58369600 = 20243^2 + 7640^2 .

It is a cyclic number.

It is not a de Polignac number, because 468148649 - 28 = 468148393 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 468148597 and 468148606.

It is not a weakly prime, because it can be changed into another prime (468148609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234074324 + 234074325.

It is an arithmetic number, because the mean of its divisors is an integer number (234074325).

Almost surely, 2468148649 is an apocalyptic number.

It is an amenable number.

468148649 is a deficient number, since it is larger than the sum of its proper divisors (1).

468148649 is an equidigital number, since it uses as much as digits as its factorization.

468148649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 50.

The square root of 468148649 is about 21636.7430312420. The cubic root of 468148649 is about 776.4757999138.

The spelling of 468148649 in words is "four hundred sixty-eight million, one hundred forty-eight thousand, six hundred forty-nine".