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2306455649 is a prime number
BaseRepresentation
bin1000100101111001…
…1011100001100001
312221202000002100022
42021132123201201
514210423040044
61020511203225
7111104356331
oct21136334141
95852002308
102306455649
11a83a302a3
12544516515
132a9ac5674
1417c46d0c1
15d77493ee
hex8979b861

2306455649 has 2 divisors, whose sum is σ = 2306455650. Its totient is φ = 2306455648.

The previous prime is 2306455597. The next prime is 2306455651. The reversal of 2306455649 is 9465546032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1498077025 + 808378624 = 38705^2 + 28432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2306455649 is a prime.

It is a super-2 number, since 2×23064556492 = 10639475321608022402, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2306455651, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2306455849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153227824 + 1153227825.

It is an arithmetic number, because the mean of its divisors is an integer number (1153227825).

Almost surely, 22306455649 is an apocalyptic number.

It is an amenable number.

2306455649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2306455649 is an equidigital number, since it uses as much as digits as its factorization.

2306455649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 2306455649 is about 48025.5728648811. The cubic root of 2306455649 is about 1321.2399675765.

The spelling of 2306455649 in words is "two billion, three hundred six million, four hundred fifty-five thousand, six hundred forty-nine".