Base | Representation |
---|---|
bin | 101001101110110… |
… | …1110001011011001 |
3 | 10121120220121211012 |
4 | 1103131232023121 |
5 | 10331434101444 |
6 | 350541143305 |
7 | 46462233005 |
oct | 12335561331 |
9 | 3546817735 |
10 | 1400300249 |
11 | 659484337 |
12 | 330b5ab35 |
13 | 19415533a |
14 | d3d8d705 |
15 | 82e03b9e |
hex | 5376e2d9 |
1400300249 has 2 divisors, whose sum is σ = 1400300250. Its totient is φ = 1400300248.
The previous prime is 1400300207. The next prime is 1400300257. The reversal of 1400300249 is 9420030041.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1264158025 + 136142224 = 35555^2 + 11668^2 .
It is a cyclic number.
It is not a de Polignac number, because 1400300249 - 28 = 1400299993 is a prime.
It is not a weakly prime, because it can be changed into another prime (1400300299) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700150124 + 700150125.
It is an arithmetic number, because the mean of its divisors is an integer number (700150125).
Almost surely, 21400300249 is an apocalyptic number.
It is an amenable number.
1400300249 is a deficient number, since it is larger than the sum of its proper divisors (1).
1400300249 is an equidigital number, since it uses as much as digits as its factorization.
1400300249 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 1400300249 is about 37420.5858986735. The cubic root of 1400300249 is about 1118.7689090403.
The spelling of 1400300249 in words is "one billion, four hundred million, three hundred thousand, two hundred forty-nine".
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