Base | Representation |
---|---|
bin | 11000001101010… |
… | …00001101010101 |
3 | 112011002201122102 |
4 | 30012220031111 |
5 | 403441023044 |
6 | 32052211445 |
7 | 5014005521 |
oct | 1406501525 |
9 | 464081572 |
10 | 203064149 |
11 | a4696112 |
12 | 58009b85 |
13 | 330bac02 |
14 | 1cd7cd81 |
15 | 12c6224e |
hex | c1a8355 |
203064149 has 2 divisors, whose sum is σ = 203064150. Its totient is φ = 203064148.
The previous prime is 203064143. The next prime is 203064157. The reversal of 203064149 is 941460302.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 199092100 + 3972049 = 14110^2 + 1993^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-203064149 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (203064143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101532074 + 101532075.
It is an arithmetic number, because the mean of its divisors is an integer number (101532075).
Almost surely, 2203064149 is an apocalyptic number.
It is an amenable number.
203064149 is a deficient number, since it is larger than the sum of its proper divisors (1).
203064149 is an equidigital number, since it uses as much as digits as its factorization.
203064149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 203064149 is about 14250.0578595317. The cubic root of 203064149 is about 587.7749661426.
The spelling of 203064149 in words is "two hundred three million, sixty-four thousand, one hundred forty-nine".
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