Base | Representation |
---|---|
bin | 11000000100100… |
… | …00111111101111 |
3 | 112001221121211212 |
4 | 30002100333233 |
5 | 403142423440 |
6 | 32011505035 |
7 | 5001203330 |
oct | 1402207757 |
9 | 461847755 |
10 | 201920495 |
11 | a3a84947 |
12 | 5775817b |
13 | 32aaa4aa |
14 | 1cb62287 |
15 | 12ad8465 |
hex | c090fef |
201920495 has 16 divisors (see below), whose sum is σ = 277162560. Its totient is φ = 138338304.
The previous prime is 201920489. The next prime is 201920497. The reversal of 201920495 is 594029102.
It is a cyclic number.
It is not a de Polignac number, because 201920495 - 214 = 201904111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201920497) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58991 + ... + 62319.
It is an arithmetic number, because the mean of its divisors is an integer number (17322660).
Almost surely, 2201920495 is an apocalyptic number.
201920495 is a deficient number, since it is larger than the sum of its proper divisors (75242065).
201920495 is a wasteful number, since it uses less digits than its factorization.
201920495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5074.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 201920495 is about 14209.8731521432. The cubic root of 201920495 is about 586.6694417411.
Adding to 201920495 its reverse (594029102), we get a palindrome (795949597).
The spelling of 201920495 in words is "two hundred one million, nine hundred twenty thousand, four hundred ninety-five".
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