Base | Representation |
---|---|
bin | 11000000000110… |
… | …00000100111111 |
3 | 112001000110110011 |
4 | 30000120010333 |
5 | 403031101330 |
6 | 31553124051 |
7 | 4664041345 |
oct | 1400300477 |
9 | 461013404 |
10 | 201425215 |
11 | a3776822 |
12 | 57559627 |
13 | 32965c24 |
14 | 1ca73995 |
15 | 12a3b82a |
hex | c01813f |
201425215 has 8 divisors (see below), whose sum is σ = 241801920. Its totient is φ = 161079072.
The previous prime is 201425183. The next prime is 201425219. The reversal of 201425215 is 512524102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 201425215 - 25 = 201425183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201425219) 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 in 7 ways as a sum of consecutive naturals, for example, 11002 + ... + 22888.
It is an arithmetic number, because the mean of its divisors is an integer number (30225240).
Almost surely, 2201425215 is an apocalyptic number.
201425215 is a deficient number, since it is larger than the sum of its proper divisors (40376705).
201425215 is a wasteful number, since it uses less digits than its factorization.
201425215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15281.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 201425215 is about 14192.4351328445. The cubic root of 201425215 is about 586.1893789712.
Adding to 201425215 its reverse (512524102), we get a palindrome (713949317).
The spelling of 201425215 in words is "two hundred one million, four hundred twenty-five thousand, two hundred fifteen".
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