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2303405149 is a prime number
BaseRepresentation
bin1000100101001011…
…0010110001011101
312221112021002211211
42021102302301131
514204132431044
61020321544421
7111036422623
oct21122626135
95845232754
102303405149
11a82237421
125434a5111
132a9298036
1417bcb7513
15d7345634
hex894b2c5d

2303405149 has 2 divisors, whose sum is σ = 2303405150. Its totient is φ = 2303405148.

The previous prime is 2303405107. The next prime is 2303405231. The reversal of 2303405149 is 9415043032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1328092249 + 975312900 = 36443^2 + 31230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303405149 - 211 = 2303403101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2303405149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2303405749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151702574 + 1151702575.

It is an arithmetic number, because the mean of its divisors is an integer number (1151702575).

Almost surely, 22303405149 is an apocalyptic number.

It is an amenable number.

2303405149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303405149 is an equidigital number, since it uses as much as digits as its factorization.

2303405149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2303405149 is about 47993.8032354178. The cubic root of 2303405149 is about 1320.6572234128.

The spelling of 2303405149 in words is "two billion, three hundred three million, four hundred five thousand, one hundred forty-nine".