Base | Representation |
---|---|
bin | 11000000000101… |
… | …10110111011111 |
3 | 112001000012122110 |
4 | 30000112313133 |
5 | 403030422010 |
6 | 31553045103 |
7 | 4664021031 |
oct | 1400266737 |
9 | 461005573 |
10 | 201420255 |
11 | a3773023 |
12 | 57556793 |
13 | 329638aa |
14 | 1ca71c51 |
15 | 12a3a120 |
hex | c016ddf |
201420255 has 16 divisors (see below), whose sum is σ = 326813184. Its totient is φ = 105910560.
The previous prime is 201420253. The next prime is 201420343. The reversal of 201420255 is 552024102.
It is a happy number.
It is not a de Polignac number, because 201420255 - 21 = 201420253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201420253) 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, 93499 + ... + 95628.
It is an arithmetic number, because the mean of its divisors is an integer number (20425824).
Almost surely, 2201420255 is an apocalyptic number.
201420255 is a deficient number, since it is larger than the sum of its proper divisors (125392929).
201420255 is a wasteful number, since it uses less digits than its factorization.
201420255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189206.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 201420255 is about 14192.2603907905. The cubic root of 201420255 is about 586.1845673870.
Adding to 201420255 its reverse (552024102), we get a palindrome (753444357).
The spelling of 201420255 in words is "two hundred one million, four hundred twenty thousand, two hundred fifty-five".
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