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245450329 is a prime number
BaseRepresentation
bin11101010000101…
…00011001011001
3122002212011112221
432220110121121
51000313402304
640204504041
76040202425
oct1650243131
9562764487
10245450329
11116606513
126a24b021
133bb0b8a7
1424853b85
1516836054
hexea14659

245450329 has 2 divisors, whose sum is σ = 245450330. Its totient is φ = 245450328.

The previous prime is 245450327. The next prime is 245450363. The reversal of 245450329 is 923054542.

It is an a-pointer prime, because the next prime (245450363) can be obtained adding 245450329 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144648729 + 100801600 = 12027^2 + 10040^2 .

It is a cyclic number.

It is not a de Polignac number, because 245450329 - 21 = 245450327 is a prime.

Together with 245450327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 245450294 and 245450303.

It is not a weakly prime, because it can be changed into another prime (245450323) 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, 122725164 + 122725165.

It is an arithmetic number, because the mean of its divisors is an integer number (122725165).

Almost surely, 2245450329 is an apocalyptic number.

It is an amenable number.

245450329 is a deficient number, since it is larger than the sum of its proper divisors (1).

245450329 is an equidigital number, since it uses as much as digits as its factorization.

245450329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 245450329 is about 15666.8544705056. The cubic root of 245450329 is about 626.1156215169.

The spelling of 245450329 in words is "two hundred forty-five million, four hundred fifty thousand, three hundred twenty-nine".