Base | Representation |
---|---|
bin | 11000000000110… |
… | …01010101001101 |
3 | 112001000201111022 |
4 | 30000121111031 |
5 | 403031232344 |
6 | 31553203525 |
7 | 4664062331 |
oct | 1400312515 |
9 | 461021438 |
10 | 201430349 |
11 | a377a66a |
12 | 575605a5 |
13 | 32968373 |
14 | 1ca757c1 |
15 | 12a3d0ee |
hex | c01954d |
201430349 has 2 divisors, whose sum is σ = 201430350. Its totient is φ = 201430348.
The previous prime is 201430309. The next prime is 201430373. The reversal of 201430349 is 943034102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 155800324 + 45630025 = 12482^2 + 6755^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-201430349 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (201430309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100715174 + 100715175.
It is an arithmetic number, because the mean of its divisors is an integer number (100715175).
Almost surely, 2201430349 is an apocalyptic number.
It is an amenable number.
201430349 is a deficient number, since it is larger than the sum of its proper divisors (1).
201430349 is an equidigital number, since it uses as much as digits as its factorization.
201430349 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 26.
The square root of 201430349 is about 14192.6160026966. The cubic root of 201430349 is about 586.1943592658.
The spelling of 201430349 in words is "two hundred one million, four hundred thirty thousand, three hundred forty-nine".
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